124553121 has 32 divisors (see below), whose sum is σ = 212115456. Its totient is φ = 63120000.

The previous prime is 124553087. The next prime is 124553147. The reversal of 124553121 is 121355421.

It is a happy number.

It is not a de Polignac number, because 124553121 - 2⁷ = 124552993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124553091 and 124553100.

It is not an unprimeable number, because it can be changed into a prime (124553161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2896 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (6628608).

Almost surely, 2^124553121 is an apocalyptic number.

124553121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124553121 is a deficient number, since it is larger than the sum of its proper divisors (87562335).

124553121 is a wasteful number, since it uses less digits than its factorization.

124553121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213.

The product of its digits is 1200, while the sum is 24.

The square root of 124553121 is about 11160.3369572787. The cubic root of 124553121 is about 499.4034498723.

It can be divided in two parts, 12455 and 3121, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 124553121 in words is "one hundred twenty-four million, five hundred fifty-three thousand, one hundred twenty-one".