125356442 has 8 divisors (see below), whose sum is σ = 188206356. Its totient is φ = 62620992.

The previous prime is 125356409. The next prime is 125356499. The reversal of 125356442 is 244653521.

It can be written as a sum of positive squares in 2 ways, for example, as 76230361 + 49126081 = 8731^2 + 7009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 125356399 and 125356408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25823 + ... + 30290.

Almost surely, 2^125356442 is an apocalyptic number.

125356442 is a deficient number, since it is larger than the sum of its proper divisors (62849914).

125356442 is a wasteful number, since it uses less digits than its factorization.

125356442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57232.

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

The square root of 125356442 is about 11196.2691107351. The cubic root of 125356442 is about 500.4748049777.

The spelling of 125356442 in words is "one hundred twenty-five million, three hundred fifty-six thousand, four hundred forty-two".