125538951 has 8 divisors (see below), whose sum is σ = 168227200. Its totient is φ = 83271672.

The previous prime is 125538937. The next prime is 125538953. The reversal of 125538951 is 159835521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125538951 - 2¹³ = 125530759 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 (125538953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104545 + ... + 105738.

It is an arithmetic number, because the mean of its divisors is an integer number (21028400).

Almost surely, 2^125538951 is an apocalyptic number.

125538951 is a deficient number, since it is larger than the sum of its proper divisors (42688249).

125538951 is a wasteful number, since it uses less digits than its factorization.

125538951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210485.

The product of its digits is 54000, while the sum is 39.

The square root of 125538951 is about 11204.4165845438. The cubic root of 125538951 is about 500.7175710243.

The spelling of 125538951 in words is "one hundred twenty-five million, five hundred thirty-eight thousand, nine hundred fifty-one".