124890297609 has 32 divisors (see below), whose sum is σ = 208286217216. Its totient is φ = 64666710720.

The previous prime is 124890297569. The next prime is 124890297617. The reversal of 124890297609 is 906792098421.

It is not a de Polignac number, because 124890297609 - 2¹³ = 124890289417 is a prime.

It is a super-2 number, since 2×124890297609² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124890297629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809622 + ... + 951455.

It is an arithmetic number, because the mean of its divisors is an integer number (6508944288).

Almost surely, 2^124890297609 is an apocalyptic number.

It is an amenable number.

124890297609 is a deficient number, since it is larger than the sum of its proper divisors (83395919607).

124890297609 is a wasteful number, since it uses less digits than its factorization.

124890297609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761405.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 124890297609 in words is "one hundred twenty-four billion, eight hundred ninety million, two hundred ninety-seven thousand, six hundred nine".