125634493 has 4 divisors (see below), whose sum is σ = 125757148. Its totient is φ = 125511840.

The previous prime is 125634491. The next prime is 125634511. The reversal of 125634493 is 394436521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78889924 + 46744569 = 8882^2 + 6837^2 .

It is a cyclic number.

It is not a de Polignac number, because 125634493 - 2¹ = 125634491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125634491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59778 + ... + 61843.

It is an arithmetic number, because the mean of its divisors is an integer number (31439287).

Almost surely, 2^125634493 is an apocalyptic number.

It is an amenable number.

125634493 is a deficient number, since it is larger than the sum of its proper divisors (122655).

125634493 is a wasteful number, since it uses less digits than its factorization.

125634493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122654.

The product of its digits is 77760, while the sum is 37.

The square root of 125634493 is about 11208.6793602101. The cubic root of 125634493 is about 500.8445632891.

The spelling of 125634493 in words is "one hundred twenty-five million, six hundred thirty-four thousand, four hundred ninety-three".