1373042100 has 72 divisors (see below), whose sum is σ = 4040053920. Its totient is φ = 359934080.

The previous prime is 1373042089. The next prime is 1373042101. The reversal of 1373042100 is 12403731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373042101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21087 + ... + 56486.

It is an arithmetic number, because the mean of its divisors is an integer number (56111860).

Almost surely, 2^1373042100 is an apocalyptic number.

1373042100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373042100 is an abundant number, since it is smaller than the sum of its proper divisors (2667011820).

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

1373042100 is a wasteful number, since it uses less digits than its factorization.

1373042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77649 (or 77642 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1373042100 is about 37054.5827125337. The cubic root of 1373042100 is about 1111.4619969203.

Adding to 1373042100 its reverse (12403731), we get a palindrome (1385445831).

The spelling of 1373042100 in words is "one billion, three hundred seventy-three million, forty-two thousand, one hundred".