124511421 has 8 divisors (see below), whose sum is σ = 166111360. Its totient is φ = 82959552.

The previous prime is 124511419. The next prime is 124511449. The reversal of 124511421 is 124115421.

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

It is not a de Polignac number, because 124511421 - 2¹ = 124511419 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124511521) 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, 5461 + ... + 16698.

It is an arithmetic number, because the mean of its divisors is an integer number (20763920).

Almost surely, 2^124511421 is an apocalyptic number.

It is an amenable number.

124511421 is a deficient number, since it is larger than the sum of its proper divisors (41599939).

124511421 is a wasteful number, since it uses less digits than its factorization.

124511421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24035.

The product of its digits is 320, while the sum is 21.

The square root of 124511421 is about 11158.4685777216. The cubic root of 124511421 is about 499.3477107408.

Adding to 124511421 its reverse (124115421), we get a palindrome (248626842).

The spelling of 124511421 in words is "one hundred twenty-four million, five hundred eleven thousand, four hundred twenty-one".