1230102000 has 240 divisors, whose sum is σ = 4414842432. Its totient is φ = 318988800.

The previous prime is 1230101993. The next prime is 1230102007. The reversal of 1230102000 is 2010321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230101993) and next prime (1230102007).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230102007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665077 + ... + 666923.

Almost surely, 2^1230102000 is an apocalyptic number.

1230102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2207421216).

1230102000 is an abundant number, since it is smaller than the sum of its proper divisors (3184740432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230102000 is a wasteful number, since it uses less digits than its factorization.

1230102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1230102000 is about 35072.8099815227. The cubic root of 1230102000 is about 1071.4708859479.

Adding to 1230102000 its reverse (2010321), we get a palindrome (1232112321).

The spelling of 1230102000 in words is "one billion, two hundred thirty million, one hundred two thousand".