102420264 has 32 divisors (see below), whose sum is σ = 256573440. Its totient is φ = 34070400.

The previous prime is 102420251. The next prime is 102420277. The reversal of 102420264 is 462024201.

It is an interprime number because it is at equal distance from previous prime (102420251) and next prime (102420277).

It is a self number, because there is not a number n which added to its sum of digits gives 102420264.

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 7 ways as a sum of consecutive naturals, for example, 8409 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (8017920).

Almost surely, 2^102420264 is an apocalyptic number.

It is an amenable number.

102420264 is an abundant number, since it is smaller than the sum of its proper divisors (154153176).

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

102420264 is a wasteful number, since it uses less digits than its factorization.

102420264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 102420264 is about 10120.2897191731. The cubic root of 102420264 is about 467.8736966492.

Adding to 102420264 its reverse (462024201), we get a palindrome (564444465).

The spelling of 102420264 in words is "one hundred two million, four hundred twenty thousand, two hundred sixty-four".