101291912 has 16 divisors (see below), whose sum is σ = 190029840. Its totient is φ = 50617296.

The previous prime is 101291893. The next prime is 101291923. The reversal of 101291912 is 219192101.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 23303 + ... + 27305.

It is an arithmetic number, because the mean of its divisors is an integer number (11876865).

Almost surely, 2^101291912 is an apocalyptic number.

It is an amenable number.

101291912 is a deficient number, since it is larger than the sum of its proper divisors (88737928).

101291912 is a wasteful number, since it uses less digits than its factorization.

101291912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7172 (or 7168 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 101291912 is about 10064.3883072942. The cubic root of 101291912 is about 466.1491782948.

The spelling of 101291912 in words is "one hundred one million, two hundred ninety-one thousand, nine hundred twelve".