102648520 has 64 divisors (see below), whose sum is σ = 249923520. Its totient is φ = 37718784.

The previous prime is 102648509. The next prime is 102648521. The reversal of 102648520 is 25846201.

It is not an unprimeable number, because it can be changed into a prime (102648521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159319 + ... + 159961.

It is an arithmetic number, because the mean of its divisors is an integer number (3905055).

Almost surely, 2^102648520 is an apocalyptic number.

102648520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102648520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124961760).

102648520 is an abundant number, since it is smaller than the sum of its proper divisors (147275000).

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

102648520 is a wasteful number, since it uses less digits than its factorization.

102648520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 102648520 is about 10131.5605905507. The cubic root of 102648520 is about 468.2210098898.

The spelling of 102648520 in words is "one hundred two million, six hundred forty-eight thousand, five hundred twenty".