125554442 has 16 divisors (see below), whose sum is σ = 204718752. Its totient is φ = 57405360.

The previous prime is 125554421. The next prime is 125554459. The reversal of 125554442 is 244455521.

It is a junction number, because it is equal to n+sod(n) for n = 125554399 and 125554408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19784 + ... + 25347.

It is an arithmetic number, because the mean of its divisors is an integer number (12794922).

Almost surely, 2^125554442 is an apocalyptic number.

125554442 is a deficient number, since it is larger than the sum of its proper divisors (79164310).

125554442 is a wasteful number, since it uses less digits than its factorization.

125554442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45253.

The product of its digits is 32000, while the sum is 32.

The square root of 125554442 is about 11205.1078531177. The cubic root of 125554442 is about 500.7381656865.

The spelling of 125554442 in words is "one hundred twenty-five million, five hundred fifty-four thousand, four hundred forty-two".