124955928550 has 24 divisors (see below), whose sum is σ = 234192222792. Its totient is φ = 49600824000.

The previous prime is 124955928541. The next prime is 124955928551. The reversal of 124955928550 is 55829559421.

It is a super-2 number, since 2×124955928550² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124955928491 and 124955928500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124955928551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9532071 + ... + 9545170.

It is an arithmetic number, because the mean of its divisors is an integer number (9758009283).

Almost surely, 2^124955928550 is an apocalyptic number.

124955928550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124955928550 is a deficient number, since it is larger than the sum of its proper divisors (109236294242).

124955928550 is a wasteful number, since it uses less digits than its factorization.

124955928550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19077384 (or 19077379 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 124955928550 in words is "one hundred twenty-four billion, nine hundred fifty-five million, nine hundred twenty-eight thousand, five hundred fifty".