125420442 has 16 divisors (see below), whose sum is σ = 286675392. Its totient is φ = 35834400.

The previous prime is 125420429. The next prime is 125420461. The reversal of 125420442 is 244024521.

It is a happy 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, 1493059 + ... + 1493142.

It is an arithmetic number, because the mean of its divisors is an integer number (17917212).

Almost surely, 2^125420442 is an apocalyptic number.

125420442 is an abundant number, since it is smaller than the sum of its proper divisors (161254950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125420442 is a wasteful number, since it uses less digits than its factorization.

125420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986213.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 125420442 is about 11199.1268409640. The cubic root of 125420442 is about 500.5599619844.

Adding to 125420442 its reverse (244024521), we get a palindrome (369444963).

The spelling of 125420442 in words is "one hundred twenty-five million, four hundred twenty thousand, four hundred forty-two".