125836420 has 12 divisors (see below), whose sum is σ = 264256524. Its totient is φ = 50334560.

The previous prime is 125836393. The next prime is 125836429. The reversal of 125836420 is 24638521.

It can be written as a sum of positive squares in 2 ways, for example, as 40347904 + 85488516 = 6352^2 + 9246^2 .

It is not an unprimeable number, because it can be changed into a prime (125836429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145891 + ... + 3145930.

It is an arithmetic number, because the mean of its divisors is an integer number (22021377).

Almost surely, 2^125836420 is an apocalyptic number.

125836420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125836420 is an abundant number, since it is smaller than the sum of its proper divisors (138420104).

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

125836420 is a wasteful number, since it uses less digits than its factorization.

125836420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291830 (or 6291828 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 125836420 is about 11217.6833615502. The cubic root of 125836420 is about 501.1127484115.

The spelling of 125836420 in words is "one hundred twenty-five million, eight hundred thirty-six thousand, four hundred twenty".