125502142 has 16 divisors (see below), whose sum is σ = 191619792. Its totient is φ = 61637760.

The previous prime is 125502131. The next prime is 125502151. The reversal of 125502142 is 241205521.

It is a congruent number.

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, 27958 + ... + 32134.

It is an arithmetic number, because the mean of its divisors is an integer number (11976237).

Almost surely, 2^125502142 is an apocalyptic number.

125502142 is a deficient number, since it is larger than the sum of its proper divisors (66117650).

125502142 is a wasteful number, since it uses less digits than its factorization.

125502142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 125502142 is about 11202.7738529348. The cubic root of 125502142 is about 500.6686281409.

Adding to 125502142 its reverse (241205521), we get a palindrome (366707663).

The spelling of 125502142 in words is "one hundred twenty-five million, five hundred two thousand, one hundred forty-two".