125546546 has 4 divisors (see below), whose sum is σ = 188319822. Its totient is φ = 62773272.

The previous prime is 125546521. The next prime is 125546557. The reversal of 125546546 is 645645521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645645521 = 127 ⋅5083823.

It can be written as a sum of positive squares in only one way, i.e., 88153321 + 37393225 = 9389^2 + 6115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31386635 + ... + 31386638.

Almost surely, 2^125546546 is an apocalyptic number.

125546546 is a deficient number, since it is larger than the sum of its proper divisors (62773276).

125546546 is an equidigital number, since it uses as much as digits as its factorization.

125546546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62773275.

The product of its digits is 144000, while the sum is 38.

The square root of 125546546 is about 11204.7555082652. The cubic root of 125546546 is about 500.7276684834.

The spelling of 125546546 in words is "one hundred twenty-five million, five hundred forty-six thousand, five hundred forty-six".