102561230 has 16 divisors (see below), whose sum is σ = 185745744. Its totient is φ = 40772160.

The previous prime is 102561223. The next prime is 102561233. The reversal of 102561230 is 32165201.

It is a super-2 number, since 2×102561230² = 21037611798225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102561233) 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, 29831 + ... + 33090.

It is an arithmetic number, because the mean of its divisors is an integer number (11609109).

Almost surely, 2^102561230 is an apocalyptic number.

102561230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102561230 is a deficient number, since it is larger than the sum of its proper divisors (83184514).

102561230 is a wasteful number, since it uses less digits than its factorization.

102561230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63091.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102561230 is about 10127.2518483545. The cubic root of 102561230 is about 468.0882507011.

The spelling of 102561230 in words is "one hundred two million, five hundred sixty-one thousand, two hundred thirty".