125401660601 has 8 divisors (see below), whose sum is σ = 143327001024. Its totient is φ = 107479024560.

The previous prime is 125401660537. The next prime is 125401660603. The reversal of 125401660601 is 106066104521.

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

It is a cyclic number.

It is not a de Polignac number, because 125401660601 - 2⁶ = 125401660537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125401660603) 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, 575735 + ... + 763068.

It is an arithmetic number, because the mean of its divisors is an integer number (17915875128).

Almost surely, 2^125401660601 is an apocalyptic number.

It is an amenable number.

125401660601 is a deficient number, since it is larger than the sum of its proper divisors (17925340423).

125401660601 is a wasteful number, since it uses less digits than its factorization.

125401660601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352191.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 125401660601 in words is "one hundred twenty-five billion, four hundred one million, six hundred sixty thousand, six hundred one".