125500132442 has 4 divisors (see below), whose sum is σ = 188250198666. Its totient is φ = 62750066220.

The previous prime is 125500132403. The next prime is 125500132453. The reversal of 125500132442 is 244231005521.

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

It can be written as a sum of positive squares in only one way, i.e., 71123022721 + 54377109721 = 266689^2 + 233189^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31375033109 + ... + 31375033112.

Almost surely, 2^125500132442 is an apocalyptic number.

125500132442 is a deficient number, since it is larger than the sum of its proper divisors (62750066224).

125500132442 is an equidigital number, since it uses as much as digits as its factorization.

125500132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62750066223.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 125500132442 its reverse (244231005521), we get a palindrome (369731137963).

The spelling of 125500132442 in words is "one hundred twenty-five billion, five hundred million, one hundred thirty-two thousand, four hundred forty-two".