125275542 has 16 divisors (see below), whose sum is σ = 286344192. Its totient is φ = 35793000.

The previous prime is 125275537. The next prime is 125275571. The reversal of 125275542 is 245572521.

It is a super-2 number, since 2×125275542² = 31387922846787528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491334 + ... + 1491417.

It is an arithmetic number, because the mean of its divisors is an integer number (17896512).

Almost surely, 2^125275542 is an apocalyptic number.

125275542 is an abundant number, since it is smaller than the sum of its proper divisors (161068650).

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

125275542 is a wasteful number, since it uses less digits than its factorization.

125275542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982763.

The product of its digits is 28000, while the sum is 33.

The square root of 125275542 is about 11192.6557170316. The cubic root of 125275542 is about 500.3671197136.

The spelling of 125275542 in words is "one hundred twenty-five million, two hundred seventy-five thousand, five hundred forty-two".