125694961 has 8 divisors (see below), whose sum is σ = 148605120. Its totient is φ = 104023248.

The previous prime is 125694911. The next prime is 125694983. The reversal of 125694961 is 169496521.

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

It is a de Polignac number, because none of the positive numbers 2^k-125694961 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125694901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309391 + ... + 309796.

It is an arithmetic number, because the mean of its divisors is an integer number (18575640).

Almost surely, 2^125694961 is an apocalyptic number.

It is an amenable number.

125694961 is a deficient number, since it is larger than the sum of its proper divisors (22910159).

125694961 is an equidigital number, since it uses as much as digits as its factorization.

125694961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619223.

The product of its digits is 116640, while the sum is 43.

The square root of 125694961 is about 11211.3764097010. The cubic root of 125694961 is about 500.9249027216.

The spelling of 125694961 in words is "one hundred twenty-five million, six hundred ninety-four thousand, nine hundred sixty-one".