102315560 has 16 divisors (see below), whose sum is σ = 230210100. Its totient is φ = 40926208.

The previous prime is 102315553. The next prime is 102315581. The reversal of 102315560 is 65513201.

It can be written as a sum of positive squares in 2 ways, for example, as 100841764 + 1473796 = 10042^2 + 1214^2 .

It is a super-2 number, since 2×102315560² = 20936947636227200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1278905 + ... + 1278984.

Almost surely, 2^102315560 is an apocalyptic number.

102315560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102315560 is an abundant number, since it is smaller than the sum of its proper divisors (127894540).

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

102315560 is a wasteful number, since it uses less digits than its factorization.

102315560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557900 (or 2557896 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 102315560 is about 10115.1154219811. The cubic root of 102315560 is about 467.7142068873.

Adding to 102315560 its reverse (65513201), we get a palindrome (167828761).

The spelling of 102315560 in words is "one hundred two million, three hundred fifteen thousand, five hundred sixty".