124521251244142 has 32 divisors (see below), whose sum is σ = 194133166560000. Its totient is φ = 59830872869376.

The previous prime is 124521251244109. The next prime is 124521251244151. The reversal of 124521251244142 is 241442152125421.

It is a super-2 number, since 2×124521251244142² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124521251244095 and 124521251244104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11787459 + ... + 19697377.

It is an arithmetic number, because the mean of its divisors is an integer number (6066661455000).

Almost surely, 2^{124521251244142} is an apocalyptic number.

124521251244142 is a deficient number, since it is larger than the sum of its proper divisors (69611915315858).

124521251244142 is a wasteful number, since it uses less digits than its factorization.

124521251244142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911228.

The product of its digits is 204800, while the sum is 40.

The spelling of 124521251244142 in words is "one hundred twenty-four trillion, five hundred twenty-one billion, two hundred fifty-one million, two hundred forty-four thousand, one hundred forty-two".