102581274 has 16 divisors (see below), whose sum is σ = 205890912. Its totient is φ = 34072368.

The previous prime is 102581239. The next prime is 102581371. The reversal of 102581274 is 472185201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28509 + ... + 31904.

It is an arithmetic number, because the mean of its divisors is an integer number (12868182).

Almost surely, 2^102581274 is an apocalyptic number.

102581274 is an abundant number, since it is smaller than the sum of its proper divisors (103309638).

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

102581274 is a wasteful number, since it uses less digits than its factorization.

102581274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60701.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 102581274 is about 10128.2414070756. The cubic root of 102581274 is about 468.1187422418.

The spelling of 102581274 in words is "one hundred two million, five hundred eighty-one thousand, two hundred seventy-four".