125422546 has 4 divisors (see below), whose sum is σ = 188133822. Its totient is φ = 62711272.

The previous prime is 125422523. The next prime is 125422579. The reversal of 125422546 is 645224521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645224521 = 79 ⋅8167399.

It can be written as a sum of positive squares in only one way, i.e., 88078225 + 37344321 = 9385^2 + 6111^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 31355635 + ... + 31355638.

Almost surely, 2^125422546 is an apocalyptic number.

125422546 is a deficient number, since it is larger than the sum of its proper divisors (62711276).

125422546 is an equidigital number, since it uses as much as digits as its factorization.

125422546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62711275.

The product of its digits is 19200, while the sum is 31.

The square root of 125422546 is about 11199.2207764648. The cubic root of 125422546 is about 500.5627610291.

The spelling of 125422546 in words is "one hundred twenty-five million, four hundred twenty-two thousand, five hundred forty-six".