125661394 has 8 divisors (see below), whose sum is σ = 192875760. Its totient is φ = 61369476.

The previous prime is 125661377. The next prime is 125661449. The reversal of 125661394 is 493166521.

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

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, 730504 + ... + 730675.

It is an arithmetic number, because the mean of its divisors is an integer number (24109470).

Almost surely, 2^125661394 is an apocalyptic number.

125661394 is a deficient number, since it is larger than the sum of its proper divisors (67214366).

125661394 is a wasteful number, since it uses less digits than its factorization.

125661394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461224.

The product of its digits is 38880, while the sum is 37.

The square root of 125661394 is about 11209.8793035429. The cubic root of 125661394 is about 500.8803078732.

The spelling of 125661394 in words is "one hundred twenty-five million, six hundred sixty-one thousand, three hundred ninety-four".