101912192 has 16 divisors (see below), whose sum is σ = 203028450. Its totient is φ = 50956032.

The previous prime is 101912191. The next prime is 101912197. The reversal of 101912192 is 291219101.

It can be written as a sum of positive squares in only one way, i.e., 77862976 + 24049216 = 8824^2 + 4904^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101912191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397967 + ... + 398222.

Almost surely, 2^101912192 is an apocalyptic number.

It is an amenable number.

101912192 is a deficient number, since it is larger than the sum of its proper divisors (101116258).

101912192 is an frugal number, since it uses more digits than its factorization.

101912192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796203 (or 796191 counting only the distinct ones).

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

The square root of 101912192 is about 10095.1568586129. The cubic root of 101912192 is about 467.0987598860.

The spelling of 101912192 in words is "one hundred one million, nine hundred twelve thousand, one hundred ninety-two".