102615200 has 144 divisors (see below), whose sum is σ = 271545120. Its totient is φ = 37739520.

The previous prime is 102615199. The next prime is 102615203. The reversal of 102615200 is 2516201.

It is not an unprimeable number, because it can be changed into a prime (102615203) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 653522 + ... + 653678.

It is an arithmetic number, because the mean of its divisors is an integer number (1885730).

Almost surely, 2^102615200 is an apocalyptic number.

102615200 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 102615200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135772560).

102615200 is an abundant number, since it is smaller than the sum of its proper divisors (168929920).

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

102615200 is a wasteful number, since it uses less digits than its factorization.

102615200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102615200 is about 10129.9160904718. The cubic root of 102615200 is about 468.1703424523.

The spelling of 102615200 in words is "one hundred two million, six hundred fifteen thousand, two hundred".