101919492 has 24 divisors (see below), whose sum is σ = 264236000. Its totient is φ = 33973128.

The previous prime is 101919487. The next prime is 101919511. The reversal of 101919492 is 294919101.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 471742 + ... + 471957.

Almost surely, 2^101919492 is an apocalyptic number.

101919492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101919492 is an abundant number, since it is smaller than the sum of its proper divisors (162316508).

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

101919492 is a wasteful number, since it uses less digits than its factorization.

101919492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943712 (or 943704 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 101919492 is about 10095.5184116518. The cubic root of 101919492 is about 467.1099124265.

It can be divided in two parts, 10191 and 9492, that added together give a 9-th power (19683 = 3⁹).

The spelling of 101919492 in words is "one hundred one million, nine hundred nineteen thousand, four hundred ninety-two".