101555072 has 16 divisors (see below), whose sum is σ = 202317000. Its totient is φ = 50777472.

The previous prime is 101555029. The next prime is 101555081. The reversal of 101555072 is 270555101.

It is a happy number.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 396572 + ... + 396827.

Almost surely, 2^101555072 is an apocalyptic number.

It is an amenable number.

101555072 is a deficient number, since it is larger than the sum of its proper divisors (100761928).

101555072 is an frugal number, since it uses more digits than its factorization.

101555072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793413 (or 793401 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 101555072 is about 10077.4536466312. The cubic root of 101555072 is about 466.5525199278.

The spelling of 101555072 in words is "one hundred one million, five hundred fifty-five thousand, seventy-two".