125758542 has 32 divisors (see below), whose sum is σ = 309560832. Its totient is φ = 33166944.

The previous prime is 125758519. The next prime is 125758543. The reversal of 125758542 is 245857521.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 125758542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125758543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114618 + ... + 115709.

It is an arithmetic number, because the mean of its divisors is an integer number (9673776).

Almost surely, 2^125758542 is an apocalyptic number.

125758542 is an abundant number, since it is smaller than the sum of its proper divisors (183802290).

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

125758542 is a wasteful number, since it uses less digits than its factorization.

125758542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230352.

The product of its digits is 112000, while the sum is 39.

The square root of 125758542 is about 11214.2116084904. The cubic root of 125758542 is about 501.0093503858.

The spelling of 125758542 in words is "one hundred twenty-five million, seven hundred fifty-eight thousand, five hundred forty-two".