102785120274 has 16 divisors (see below), whose sum is σ = 205648704000. Its totient is φ = 34248629520.

The previous prime is 102785120261. The next prime is 102785120293. The reversal of 102785120274 is 472021587201.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252274 + ... + 3283725.

It is an arithmetic number, because the mean of its divisors is an integer number (12853044000).

Almost surely, 2^102785120274 is an apocalyptic number.

102785120274 is an abundant number, since it is smaller than the sum of its proper divisors (102863583726).

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

102785120274 is a wasteful number, since it uses less digits than its factorization.

102785120274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538625.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 102785120274 in words is "one hundred two billion, seven hundred eighty-five million, one hundred twenty thousand, two hundred seventy-four".