125653642 has 8 divisors (see below), whose sum is σ = 188682336. Its totient is φ = 62759532.

The previous prime is 125653621. The next prime is 125653651. The reversal of 125653642 is 246356521.

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 = 125653598 and 125653607.

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, 31278 + ... + 35065.

It is an arithmetic number, because the mean of its divisors is an integer number (23585292).

Almost surely, 2^125653642 is an apocalyptic number.

125653642 is a deficient number, since it is larger than the sum of its proper divisors (63028694).

125653642 is an equidigital number, since it uses as much as digits as its factorization.

125653642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67292.

The product of its digits is 43200, while the sum is 34.

The square root of 125653642 is about 11209.5335317755. The cubic root of 125653642 is about 500.8700079609.

The spelling of 125653642 in words is "one hundred twenty-five million, six hundred fifty-three thousand, six hundred forty-two".