125681342 has 4 divisors (see below), whose sum is σ = 188522016. Its totient is φ = 62840670.

The previous prime is 125681329. The next prime is 125681363. The reversal of 125681342 is 243186521.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 125681299 and 125681308.

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, 31420334 + ... + 31420337.

It is an arithmetic number, because the mean of its divisors is an integer number (47130504).

Almost surely, 2^125681342 is an apocalyptic number.

125681342 is a deficient number, since it is larger than the sum of its proper divisors (62840674).

125681342 is an equidigital number, since it uses as much as digits as its factorization.

125681342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62840673.

The product of its digits is 11520, while the sum is 32.

The square root of 125681342 is about 11210.7690191173. The cubic root of 125681342 is about 500.9068103956.

The spelling of 125681342 in words is "one hundred twenty-five million, six hundred eighty-one thousand, three hundred forty-two".