10102912 has 16 divisors (see below), whose sum is σ = 20127150. Its totient is φ = 5051392.

The previous prime is 10102909. The next prime is 10102921. The reversal of 10102912 is 21920101.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 4227136 = 2424^2 + 2056^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39337 + ... + 39592.

Almost surely, 2^10102912 is an apocalyptic number.

It is an amenable number.

10102912 is a deficient number, since it is larger than the sum of its proper divisors (10024238).

10102912 is an frugal number, since it uses more digits than its factorization.

10102912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78943 (or 78931 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 10102912 is about 3178.5078260089. The cubic root of 10102912 is about 216.1800054134.

The spelling of 10102912 in words is "ten million, one hundred two thousand, nine hundred twelve".