124755006921 has 16 divisors (see below), whose sum is σ = 166545764160. Its totient is φ = 83067183360.

The previous prime is 124755006911. The next prime is 124755006947. The reversal of 124755006921 is 129600557421.

It is not a de Polignac number, because 124755006921 - 2¹¹ = 124755004873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124755006911) 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, 14366701 + ... + 14375381.

It is an arithmetic number, because the mean of its divisors is an integer number (10409110260).

Almost surely, 2^124755006921 is an apocalyptic number.

It is an amenable number.

124755006921 is a deficient number, since it is larger than the sum of its proper divisors (41790757239).

124755006921 is a wasteful number, since it uses less digits than its factorization.

124755006921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14056.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 124755006921 in words is "one hundred twenty-four billion, seven hundred fifty-five million, six thousand, nine hundred twenty-one".