101506404 has 12 divisors (see below), whose sum is σ = 236848304. Its totient is φ = 33835464.

The previous prime is 101506393. The next prime is 101506421. The reversal of 101506404 is 404605101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×101506404² = 20607100106022432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229422 + ... + 4229445.

Almost surely, 2^101506404 is an apocalyptic number.

It is an amenable number.

101506404 is an abundant number, since it is smaller than the sum of its proper divisors (135341900).

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

101506404 is a wasteful number, since it uses less digits than its factorization.

101506404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8458874 (or 8458872 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 101506404 is about 10075.0386599755. The cubic root of 101506404 is about 466.4779797277.

The spelling of 101506404 in words is "one hundred one million, five hundred six thousand, four hundred four".