125641442 has 16 divisors (see below), whose sum is σ = 195296640. Its totient is φ = 60579792.

The previous prime is 125641421. The next prime is 125641447. The reversal of 125641442 is 244146521.

It is not an unprimeable number, because it can be changed into a prime (125641447) 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, 2453 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (12206040).

Almost surely, 2^125641442 is an apocalyptic number.

125641442 is a deficient number, since it is larger than the sum of its proper divisors (69655198).

125641442 is a wasteful number, since it uses less digits than its factorization.

125641442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18617.

The product of its digits is 7680, while the sum is 29.

The square root of 125641442 is about 11208.9893389190. The cubic root of 125641442 is about 500.8537972307.

Adding to 125641442 its reverse (244146521), we get a palindrome (369787963).

The spelling of 125641442 in words is "one hundred twenty-five million, six hundred forty-one thousand, four hundred forty-two".