125133242 has 16 divisors (see below), whose sum is σ = 204910440. Its totient is φ = 56961792.

The previous prime is 125133233. The next prime is 125133251. The reversal of 125133242 is 242331521.

It is an interprime number because it is at equal distance from previous prime (125133233) and next prime (125133251).

It can be written as a sum of positive squares in 4 ways, for example, as 79584241 + 45549001 = 8921^2 + 6749^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31067 + ... + 34862.

Almost surely, 2^125133242 is an apocalyptic number.

125133242 is a deficient number, since it is larger than the sum of its proper divisors (79777198).

125133242 is a wasteful number, since it uses less digits than its factorization.

125133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66017.

The product of its digits is 1440, while the sum is 23.

The square root of 125133242 is about 11186.2970638188. The cubic root of 125133242 is about 500.1775929140.

Adding to 125133242 its reverse (242331521), we get a palindrome (367464763).

The spelling of 125133242 in words is "one hundred twenty-five million, one hundred thirty-three thousand, two hundred forty-two".