102851630 has 64 divisors (see below), whose sum is σ = 222594048. Its totient is φ = 33454080.

The previous prime is 102851629. The next prime is 102851677. The reversal of 102851630 is 36158201.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102851630.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 310565 + ... + 310895.

It is an arithmetic number, because the mean of its divisors is an integer number (3478032).

Almost surely, 2^102851630 is an apocalyptic number.

102851630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102851630 is an abundant number, since it is smaller than the sum of its proper divisors (119742418).

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

102851630 is a wasteful number, since it uses less digits than its factorization.

102851630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 102851630 is about 10141.5792655779. The cubic root of 102851630 is about 468.5296284435.

The spelling of 102851630 in words is "one hundred two million, eight hundred fifty-one thousand, six hundred thirty".