107621421 has 4 divisors (see below), whose sum is σ = 143495232. Its totient is φ = 71747612.

The previous prime is 107621413. The next prime is 107621431. The reversal of 107621421 is 124126701.

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 107621421 - 2³ = 107621413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107621391 and 107621400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107621411) 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, 17936901 + ... + 17936906.

It is an arithmetic number, because the mean of its divisors is an integer number (35873808).

Almost surely, 2^107621421 is an apocalyptic number.

It is an amenable number.

107621421 is a deficient number, since it is larger than the sum of its proper divisors (35873811).

107621421 is an equidigital number, since it uses as much as digits as its factorization.

107621421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35873810.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 107621421 is about 10374.0744647414. The cubic root of 107621421 is about 475.6632227538.

The spelling of 107621421 in words is "one hundred seven million, six hundred twenty-one thousand, four hundred twenty-one".