101551404 has 24 divisors (see below), whose sum is σ = 250892208. Its totient is φ = 31859200.

The previous prime is 101551379. The next prime is 101551427. The reversal of 101551404 is 404155101.

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, 248697 + ... + 249104.

It is an arithmetic number, because the mean of its divisors is an integer number (10453842).

Almost surely, 2^101551404 is an apocalyptic number.

It is an amenable number.

101551404 is an abundant number, since it is smaller than the sum of its proper divisors (149340804).

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

101551404 is a wasteful number, since it uses less digits than its factorization.

101551404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497825 (or 497823 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 101551404 is about 10077.2716545700. The cubic root of 101551404 is about 466.5469028269.

The spelling of 101551404 in words is "one hundred one million, five hundred fifty-one thousand, four hundred four".