102256774 has 8 divisors (see below), whose sum is σ = 153436680. Its totient is φ = 51111216.

The previous prime is 102256771. The next prime is 102256783. The reversal of 102256774 is 477652201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102256771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (19179585).

Almost surely, 2^102256774 is an apocalyptic number.

102256774 is a deficient number, since it is larger than the sum of its proper divisors (51179906).

102256774 is a wasteful number, since it uses less digits than its factorization.

102256774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17174.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 102256774 is about 10112.2091552736. The cubic root of 102256774 is about 467.6246137539.

The spelling of 102256774 in words is "one hundred two million, two hundred fifty-six thousand, seven hundred seventy-four".