124501040442 has 20 divisors (see below), whose sum is σ = 278974553946. Its totient is φ = 41500346760.

The previous prime is 124501040407. The next prime is 124501040471. The reversal of 124501040442 is 244040105421.

124501040442 is a `hidden beast` number, since 1 + 245 + 0 + 10 + 404 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 92324214801 + 32176825641 = 303849^2 + 179379^2 .

It is a super-2 number, since 2×124501040442² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 384262309 + ... + 384262632.

Almost surely, 2^124501040442 is an apocalyptic number.

124501040442 is an abundant number, since it is smaller than the sum of its proper divisors (154473513504).

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

124501040442 is an equidigital number, since it uses as much as digits as its factorization.

124501040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768524955 (or 768524946 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 124501040442 its reverse (244040105421), we get a palindrome (368541145863).

The spelling of 124501040442 in words is "one hundred twenty-four billion, five hundred one million, forty thousand, four hundred forty-two".