102513072 has 20 divisors (see below), whose sum is σ = 264825560. Its totient is φ = 34171008.

The previous prime is 102513049. The next prime is 102513091. The reversal of 102513072 is 270315201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067797 + ... + 1067892.

It is an arithmetic number, because the mean of its divisors is an integer number (13241278).

Almost surely, 2^102513072 is an apocalyptic number.

102513072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102513072 is an abundant number, since it is smaller than the sum of its proper divisors (162312488).

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

102513072 is a wasteful number, since it uses less digits than its factorization.

102513072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135700 (or 2135694 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 102513072 is about 10124.8739251410. The cubic root of 102513072 is about 468.0149750486.

Adding to 102513072 its reverse (270315201), we get a palindrome (372828273).

The spelling of 102513072 in words is "one hundred two million, five hundred thirteen thousand, seventy-two".