125691701 has 8 divisors (see below), whose sum is σ = 133254144. Its totient is φ = 118348560.

The previous prime is 125691641. The next prime is 125691703. The reversal of 125691701 is 107196521.

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 125691701 - 2⁶ = 125691637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125691703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53645 + ... + 55938.

It is an arithmetic number, because the mean of its divisors is an integer number (16656768).

Almost surely, 2^125691701 is an apocalyptic number.

It is an amenable number.

125691701 is a deficient number, since it is larger than the sum of its proper divisors (7562443).

125691701 is a wasteful number, since it uses less digits than its factorization.

125691701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109651.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 125691701 is about 11211.2310207220. The cubic root of 125691701 is about 500.9205720540.

The spelling of 125691701 in words is "one hundred twenty-five million, six hundred ninety-one thousand, seven hundred one".