102231860 has 24 divisors (see below), whose sum is σ = 219924936. Its totient is φ = 39895040.

The previous prime is 102231853. The next prime is 102231869. The reversal of 102231860 is 68132201.

It can be written as a sum of positive squares in 4 ways, for example, as 16224784 + 86007076 = 4028^2 + 9274^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231869) 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, 61517 + ... + 63156.

It is an arithmetic number, because the mean of its divisors is an integer number (9163539).

Almost surely, 2^102231860 is an apocalyptic number.

102231860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102231860 is an abundant number, since it is smaller than the sum of its proper divisors (117693076).

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

102231860 is a wasteful number, since it uses less digits than its factorization.

102231860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124723 (or 124721 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 102231860 is about 10110.9772030205. The cubic root of 102231860 is about 467.5866330722.

The spelling of 102231860 in words is "one hundred two million, two hundred thirty-one thousand, eight hundred sixty".