101475621 has 36 divisors (see below), whose sum is σ = 161494788. Its totient is φ = 61026048.

The previous prime is 101475607. The next prime is 101475629. The reversal of 101475621 is 126574101.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 171396 + 101304225 = 414^2 + 10065^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101475621 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101475629) by changing a digit.

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 in 35 ways as a sum of consecutive naturals, for example, 930915 + ... + 931023.

Almost surely, 2^101475621 is an apocalyptic number.

It is an amenable number.

101475621 is a deficient number, since it is larger than the sum of its proper divisors (60019167).

101475621 is a wasteful number, since it uses less digits than its factorization.

101475621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 101475621 is about 10073.5108576901. The cubic root of 101475621 is about 466.4308199989.

The spelling of 101475621 in words is "one hundred one million, four hundred seventy-five thousand, six hundred twenty-one".