124653143345820 has 96 divisors (see below), whose sum is σ = 350281409083200. Its totient is φ = 33121625671680.

The previous prime is 124653143345771. The next prime is 124653143345891. The reversal of 124653143345820 is 28543341356421.

It is a super-2 number, since 2×124653143345820² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46568230 + ... + 49172210.

It is an arithmetic number, because the mean of its divisors is an integer number (3648764677950).

Almost surely, 2^{124653143345820} is an apocalyptic number.

124653143345820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124653143345820 is an abundant number, since it is smaller than the sum of its proper divisors (225628265737380).

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

124653143345820 is a wasteful number, since it uses less digits than its factorization.

124653143345820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606855 (or 2606853 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 124653143345820 in words is "one hundred twenty-four trillion, six hundred fifty-three billion, one hundred forty-three million, three hundred forty-five thousand, eight hundred twenty".