124022121 has 8 divisors (see below), whose sum is σ = 165992640. Its totient is φ = 82366512.

The previous prime is 124022117. The next prime is 124022137. The reversal of 124022121 is 121220421.

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

It is not a de Polignac number, because 124022121 - 2² = 124022117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 124022121.

It is not an unprimeable number, because it can be changed into a prime (124026121) 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, 77806 + ... + 79383.

It is an arithmetic number, because the mean of its divisors is an integer number (20749080).

Almost surely, 2^124022121 is an apocalyptic number.

It is an amenable number.

124022121 is a deficient number, since it is larger than the sum of its proper divisors (41970519).

124022121 is a wasteful number, since it uses less digits than its factorization.

124022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157455.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 124022121 is about 11136.5219435872. The cubic root of 124022121 is about 498.6927464885.

Adding to 124022121 its reverse (121220421), we get a palindrome (245242542).

The spelling of 124022121 in words is "one hundred twenty-four million, twenty-two thousand, one hundred twenty-one".