125537420 has 12 divisors (see below), whose sum is σ = 263628624. Its totient is φ = 50214960.

The previous prime is 125537413. The next prime is 125537441. The reversal of 125537420 is 24735521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3138416 + ... + 3138455.

It is an arithmetic number, because the mean of its divisors is an integer number (21969052).

Almost surely, 2^125537420 is an apocalyptic number.

125537420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125537420 is an abundant number, since it is smaller than the sum of its proper divisors (138091204).

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

125537420 is a wasteful number, since it uses less digits than its factorization.

125537420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276880 (or 6276878 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 125537420 is about 11204.3482630629. The cubic root of 125537420 is about 500.7155355293.

The spelling of 125537420 in words is "one hundred twenty-five million, five hundred thirty-seven thousand, four hundred twenty".