103249912 has 16 divisors (see below), whose sum is σ = 194407200. Its totient is φ = 51408000.

The previous prime is 103249907. The next prime is 103249957. The reversal of 103249912 is 219942301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25089 + ... + 28912.

It is an arithmetic number, because the mean of its divisors is an integer number (12150450).

Almost surely, 2^103249912 is an apocalyptic number.

It is an amenable number.

103249912 is a deficient number, since it is larger than the sum of its proper divisors (91157288).

103249912 is a wasteful number, since it uses less digits than its factorization.

103249912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54246 (or 54242 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 103249912 is about 10161.1963862529. The cubic root of 103249912 is about 469.1336265280.

The spelling of 103249912 in words is "one hundred three million, two hundred forty-nine thousand, nine hundred twelve".