102663402 has 24 divisors (see below), whose sum is σ = 206994816. Its totient is φ = 33944688.

The previous prime is 102663389. The next prime is 102663433. The reversal of 102663402 is 204366201.

It is a super-2 number, since 2×102663402² = 21079548220427208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370488 + ... + 370764.

It is an arithmetic number, because the mean of its divisors is an integer number (8624784).

Almost surely, 2^102663402 is an apocalyptic number.

102663402 is an abundant number, since it is smaller than the sum of its proper divisors (104331414).

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

102663402 is an equidigital number, since it uses as much as digits as its factorization.

102663402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 102663402 is about 10132.2950016272. The cubic root of 102663402 is about 468.2436363837.

The spelling of 102663402 in words is "one hundred two million, six hundred sixty-three thousand, four hundred two".