101201992 has 32 divisors (see below), whose sum is σ = 194400000. Its totient is φ = 49375168.

The previous prime is 101201953. The next prime is 101202019. The reversal of 101201992 is 299102101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69609 + ... + 71047.

It is an arithmetic number, because the mean of its divisors is an integer number (6075000).

Almost surely, 2^101201992 is an apocalyptic number.

It is an amenable number.

101201992 is a deficient number, since it is larger than the sum of its proper divisors (93198008).

101201992 is a wasteful number, since it uses less digits than its factorization.

101201992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 101201992 is about 10059.9200792054. The cubic root of 101201992 is about 466.0111990530.

The spelling of 101201992 in words is "one hundred one million, two hundred one thousand, nine hundred ninety-two".