107390221 has 4 divisors (see below), whose sum is σ = 109887712. Its totient is φ = 104892732.

The previous prime is 107390209. The next prime is 107390249. The reversal of 107390221 is 122093701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107390221 - 2⁵ = 107390189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107390821) by changing a digit.

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, 1248681 + ... + 1248766.

It is an arithmetic number, because the mean of its divisors is an integer number (27471928).

Almost surely, 2^107390221 is an apocalyptic number.

It is an amenable number.

107390221 is a deficient number, since it is larger than the sum of its proper divisors (2497491).

107390221 is an equidigital number, since it uses as much as digits as its factorization.

107390221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497490.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 107390221 is about 10362.9253109342. The cubic root of 107390221 is about 475.3223606805.

The spelling of 107390221 in words is "one hundred seven million, three hundred ninety thousand, two hundred twenty-one".