125445542 has 8 divisors (see below), whose sum is σ = 196349616. Its totient is φ = 59995672.

The previous prime is 125445521. The next prime is 125445571. The reversal of 125445542 is 245544521.

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 = 125445499 and 125445508.

It is a congruent number.

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, 1363493 + ... + 1363584.

It is an arithmetic number, because the mean of its divisors is an integer number (24543702).

Almost surely, 2^125445542 is an apocalyptic number.

125445542 is a deficient number, since it is larger than the sum of its proper divisors (70904074).

125445542 is a wasteful number, since it uses less digits than its factorization.

125445542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727102.

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

The square root of 125445542 is about 11200.2474079817. The cubic root of 125445542 is about 500.5933515893.

The spelling of 125445542 in words is "one hundred twenty-five million, four hundred forty-five thousand, five hundred forty-two".