124552780994 has 12 divisors (see below), whose sum is σ = 197179819254. Its totient is φ = 58998685392.

The previous prime is 124552780973. The next prime is 124552781027. The reversal of 124552780994 is 499087255421.

It can be written as a sum of positive squares in only one way, i.e., 65082642769 + 59470138225 = 255113^2 + 243865^2 .

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 86254667 + ... + 86256110.

Almost surely, 2^124552780994 is an apocalyptic number.

124552780994 is a deficient number, since it is larger than the sum of its proper divisors (72627038260).

124552780994 is a wasteful number, since it uses less digits than its factorization.

124552780994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172510817 (or 172510798 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 124552780994 in words is "one hundred twenty-four billion, five hundred fifty-two million, seven hundred eighty thousand, nine hundred ninety-four".