1300122320 has 40 divisors (see below), whose sum is σ = 3454612224. Its totient is φ = 445756032.

The previous prime is 1300122301. The next prime is 1300122323. The reversal of 1300122320 is 232210031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1300122295 and 1300122304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300122323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160264 + ... + 1161383.

Almost surely, 2^1300122320 is an apocalyptic number.

1300122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300122320 is an abundant number, since it is smaller than the sum of its proper divisors (2154489904).

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

1300122320 is a wasteful number, since it uses less digits than its factorization.

1300122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321667 (or 2321661 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1300122320 is about 36057.2089879403. The cubic root of 1300122320 is about 1091.4271125459.

Adding to 1300122320 its reverse (232210031), we get a palindrome (1532332351).

The spelling of 1300122320 in words is "one billion, three hundred million, one hundred twenty-two thousand, three hundred twenty".