124914905 has 16 divisors (see below), whose sum is σ = 156464784. Its totient is φ = 95646720.

The previous prime is 124914883. The next prime is 124914931. The reversal of 124914905 is 509419421.

It can be written as a sum of positive squares in 8 ways, for example, as 4376464 + 120538441 = 2092^2 + 10979^2 .

It is not a de Polignac number, because 124914905 - 2⁸ = 124914649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5117 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (9779049).

Almost surely, 2^124914905 is an apocalyptic number.

It is an amenable number.

124914905 is a deficient number, since it is larger than the sum of its proper divisors (31549879).

124914905 is a wasteful number, since it uses less digits than its factorization.

124914905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 124914905 is about 11176.5336755185. The cubic root of 124914905 is about 499.8865142439.

The spelling of 124914905 in words is "one hundred twenty-four million, nine hundred fourteen thousand, nine hundred five".