124126890 has 16 divisors (see below), whose sum is σ = 297904608. Its totient is φ = 33100496.

The previous prime is 124126831. The next prime is 124126903. The reversal of 124126890 is 98621421.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068752 + ... + 2068811.

It is an arithmetic number, because the mean of its divisors is an integer number (18619038).

Almost surely, 2^124126890 is an apocalyptic number.

124126890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124126890 is an abundant number, since it is smaller than the sum of its proper divisors (173777718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124126890 is a wasteful number, since it uses less digits than its factorization.

124126890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137573.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 124126890 is about 11141.2247980193. The cubic root of 124126890 is about 498.8331322912.

The spelling of 124126890 in words is "one hundred twenty-four million, one hundred twenty-six thousand, eight hundred ninety".