125182742 has 4 divisors (see below), whose sum is σ = 187774116. Its totient is φ = 62591370.

The previous prime is 125182693. The next prime is 125182769. The reversal of 125182742 is 247281521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247281521 = 29 ⋅8526949.

It is a junction number, because it is equal to n+sod(n) for n = 125182699 and 125182708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31295684 + ... + 31295687.

It is an arithmetic number, because the mean of its divisors is an integer number (46943529).

Almost surely, 2^125182742 is an apocalyptic number.

125182742 is a deficient number, since it is larger than the sum of its proper divisors (62591374).

125182742 is an equidigital number, since it uses as much as digits as its factorization.

125182742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62591373.

The product of its digits is 8960, while the sum is 32.

The square root of 125182742 is about 11188.5093734599. The cubic root of 125182742 is about 500.2435373598.

The spelling of 125182742 in words is "one hundred twenty-five million, one hundred eighty-two thousand, seven hundred forty-two".