123926020 has 24 divisors (see below), whose sum is σ = 260828568. Its totient is φ = 49459200.

The previous prime is 123926017. The next prime is 123926029. The reversal of 123926020 is 20629321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93636 + 123832384 = 306^2 + 11128^2 .

It is not an unprimeable number, because it can be changed into a prime (123926029) by changing a digit.

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, 2500 + ... + 15940.

It is an arithmetic number, because the mean of its divisors is an integer number (10867857).

Almost surely, 2^123926020 is an apocalyptic number.

123926020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123926020 is an abundant number, since it is smaller than the sum of its proper divisors (136902548).

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

123926020 is a wasteful number, since it uses less digits than its factorization.

123926020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13911 (or 13909 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 123926020 is about 11132.2064299940. The cubic root of 123926020 is about 498.5639058830.

The spelling of 123926020 in words is "one hundred twenty-three million, nine hundred twenty-six thousand, twenty".