124201111120 has 40 divisors (see below), whose sum is σ = 289149187464. Its totient is φ = 49614792192.

The previous prime is 124201111091. The next prime is 124201111127. The reversal of 124201111120 is 21111102421.

It can be written as a sum of positive squares in 4 ways, for example, as 52552811536 + 71648299584 = 229244^2 + 267672^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 124201111094 and 124201111103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124201111127) 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, 964879 + ... + 1085998.

Almost surely, 2^124201111120 is an apocalyptic number.

124201111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124201111120 is an abundant number, since it is smaller than the sum of its proper divisors (164948076344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124201111120 is a wasteful number, since it uses less digits than its factorization.

124201111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051647 (or 2051641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 124201111120 its reverse (21111102421), we get a palindrome (145312213541).

The spelling of 124201111120 in words is "one hundred twenty-four billion, two hundred one million, one hundred eleven thousand, one hundred twenty".