125146252546 has 12 divisors (see below), whose sum is σ = 218367440838. Its totient is φ = 53634108192.

The previous prime is 125146252531. The next prime is 125146252601. The reversal of 125146252546 is 645252641521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68924626225 + 56221626321 = 262535^2 + 237111^2 .

It is a super-2 number, since 2×125146252546² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 638501191 + ... + 638501386.

Almost surely, 2^125146252546 is an apocalyptic number.

125146252546 is a deficient number, since it is larger than the sum of its proper divisors (93221188292).

125146252546 is a wasteful number, since it uses less digits than its factorization.

125146252546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277002593 (or 1277002586 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 125146252546 in words is "one hundred twenty-five billion, one hundred forty-six million, two hundred fifty-two thousand, five hundred forty-six".