124969481909 has 16 divisors (see below), whose sum is σ = 130228653312. Its totient is φ = 119825479488.

The previous prime is 124969481893. The next prime is 124969481927. The reversal of 124969481909 is 909184969421.

It is a cyclic number.

It is not a de Polignac number, because 124969481909 - 2⁴ = 124969481893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124969481929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664627 + ... + 1738079.

It is an arithmetic number, because the mean of its divisors is an integer number (8139290832).

Almost surely, 2^124969481909 is an apocalyptic number.

It is an amenable number.

124969481909 is a deficient number, since it is larger than the sum of its proper divisors (5259171403).

124969481909 is an equidigital number, since it uses as much as digits as its factorization.

124969481909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74236.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 124969481909 in words is "one hundred twenty-four billion, nine hundred sixty-nine million, four hundred eighty-one thousand, nine hundred nine".