125435642 has 16 divisors (see below), whose sum is σ = 191853792. Its totient is φ = 61491120.

The previous prime is 125435633. The next prime is 125435669. The reversal of 125435642 is 246534521.

It is a junction number, because it is equal to n+sod(n) for n = 125435599 and 125435608.

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, 40853 + ... + 43815.

It is an arithmetic number, because the mean of its divisors is an integer number (11990862).

Almost surely, 2^125435642 is an apocalyptic number.

125435642 is a deficient number, since it is larger than the sum of its proper divisors (66418150).

125435642 is a wasteful number, since it uses less digits than its factorization.

125435642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373.

The product of its digits is 28800, while the sum is 32.

The square root of 125435642 is about 11199.8054447388. The cubic root of 125435642 is about 500.5801825161.

The spelling of 125435642 in words is "one hundred twenty-five million, four hundred thirty-five thousand, six hundred forty-two".