107920621 has 8 divisors (see below), whose sum is σ = 109200384. Its totient is φ = 106645200.

The previous prime is 107920613. The next prime is 107920633. The reversal of 107920621 is 126029701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107920621 - 2³ = 107920613 is a prime.

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 107920621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107920121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98740 + ... + 99826.

It is an arithmetic number, because the mean of its divisors is an integer number (13650048).

Almost surely, 2^107920621 is an apocalyptic number.

It is an amenable number.

107920621 is a deficient number, since it is larger than the sum of its proper divisors (1279763).

107920621 is a wasteful number, since it uses less digits than its factorization.

107920621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 107920621 is about 10388.4850194819. The cubic root of 107920621 is about 476.1036144869.

The spelling of 107920621 in words is "one hundred seven million, nine hundred twenty thousand, six hundred twenty-one".