124076221 has 4 divisors (see below), whose sum is σ = 124216992. Its totient is φ = 123935452.

The previous prime is 124076219. The next prime is 124076231. The reversal of 124076221 is 122670421.

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 124076221 - 2¹ = 124076219 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 (124076231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69055 + ... + 70828.

It is an arithmetic number, because the mean of its divisors is an integer number (31054248).

Almost surely, 2^124076221 is an apocalyptic number.

It is an amenable number.

124076221 is a deficient number, since it is larger than the sum of its proper divisors (140771).

124076221 is an equidigital number, since it uses as much as digits as its factorization.

124076221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140770.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 124076221 is about 11138.9506238245. The cubic root of 124076221 is about 498.7652479514.

The spelling of 124076221 in words is "one hundred twenty-four million, seventy-six thousand, two hundred twenty-one".