103212736 has 28 divisors (see below), whose sum is σ = 223433640. Its totient is φ = 46914560.

The previous prime is 103212727. The next prime is 103212737. The reversal of 103212736 is 637212301.

It is a self number, because there is not a number n which added to its sum of digits gives 103212736.

It is not an unprimeable number, because it can be changed into a prime (103212737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72601 + ... + 74008.

Almost surely, 2^103212736 is an apocalyptic number.

103212736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103212736 is an abundant number, since it is smaller than the sum of its proper divisors (120220904).

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

103212736 is a wasteful number, since it uses less digits than its factorization.

103212736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146632 (or 146622 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 103212736 is about 10159.3669094093. The cubic root of 103212736 is about 469.0773145984.

The spelling of 103212736 in words is "one hundred three million, two hundred twelve thousand, seven hundred thirty-six".