125830537 has 4 divisors (see below), whose sum is σ = 143806336. Its totient is φ = 107854740.

The previous prime is 125830487. The next prime is 125830543. The reversal of 125830537 is 735038521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 735038521 = 7 ⋅105005503.

It is not a de Polignac number, because 125830537 - 2¹¹ = 125828489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125830037) 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, 8987889 + ... + 8987902.

It is an arithmetic number, because the mean of its divisors is an integer number (35951584).

Almost surely, 2^125830537 is an apocalyptic number.

It is an amenable number.

125830537 is a deficient number, since it is larger than the sum of its proper divisors (17975799).

125830537 is an equidigital number, since it uses as much as digits as its factorization.

125830537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17975798.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 125830537 is about 11217.4211385683. The cubic root of 125830537 is about 501.1049390872.

The spelling of 125830537 in words is "one hundred twenty-five million, eight hundred thirty thousand, five hundred thirty-seven".