125701977 has 8 divisors (see below), whose sum is σ = 167745664. Its totient is φ = 83729808.

The previous prime is 125701949. The next prime is 125701997. The reversal of 125701977 is 779107521.

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

It is not a de Polignac number, because 125701977 - 2⁸ = 125701721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125701997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13633 + ... + 20910.

It is an arithmetic number, because the mean of its divisors is an integer number (20968208).

Almost surely, 2^125701977 is an apocalyptic number.

It is an amenable number.

125701977 is a deficient number, since it is larger than the sum of its proper divisors (42043687).

125701977 is a wasteful number, since it uses less digits than its factorization.

125701977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35759.

The product of its (nonzero) digits is 30870, while the sum is 39.

The square root of 125701977 is about 11211.6893017957. The cubic root of 125701977 is about 500.9342227021.

The spelling of 125701977 in words is "one hundred twenty-five million, seven hundred one thousand, nine hundred seventy-seven".