106174621 has 10 divisors (see below), whose sum is σ = 123865822. Its totient is φ = 91004760.

The previous prime is 106174613. The next prime is 106174633. The reversal of 106174621 is 126471601.

It can be written as a sum of positive squares in only one way, i.e., 105884100 + 290521 = 10290^2 + 539^2 .

It is not a de Polignac number, because 106174621 - 2³ = 106174613 is a prime.

It is a super-2 number, since 2×106174621² = 22546100288987282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106174621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106174681) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19710 + ... + 24511.

Almost surely, 2^106174621 is an apocalyptic number.

It is an amenable number.

106174621 is a deficient number, since it is larger than the sum of its proper divisors (17691201).

106174621 is an frugal number, since it uses more digits than its factorization.

106174621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44249 (or 44228 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 106174621 is about 10304.1069967271. The cubic root of 106174621 is about 473.5220856126.

The spelling of 106174621 in words is "one hundred six million, one hundred seventy-four thousand, six hundred twenty-one".