102417955 has 16 divisors (see below), whose sum is σ = 127180800. Its totient is φ = 79094880.

The previous prime is 102417949. The next prime is 102417971. The reversal of 102417955 is 559714201.

It is a de Polignac number, because none of the positive numbers 2^k-102417955 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102417955.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110986 + ... + 111904.

It is an arithmetic number, because the mean of its divisors is an integer number (7948800).

Almost surely, 2^102417955 is an apocalyptic number.

102417955 is a deficient number, since it is larger than the sum of its proper divisors (24762845).

102417955 is an equidigital number, since it uses as much as digits as its factorization.

102417955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 102417955 is about 10120.1756407683. The cubic root of 102417955 is about 467.8701806507.

The spelling of 102417955 in words is "one hundred two million, four hundred seventeen thousand, nine hundred fifty-five".