125012701650677 has 8 divisors (see below), whose sum is σ = 125054086876056. Its totient is φ = 124971318001152.

The previous prime is 125012701650607. The next prime is 125012701650691. The reversal of 125012701650677 is 776056107210521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78062331713521 + 46950369937156 = 8835289^2 + 6852034^2 .

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 125012701650677 - 2²⁸ = 125012433215221 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 (125012701650607) 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, 170511593 + ... + 171243185.

It is an arithmetic number, because the mean of its divisors is an integer number (15631760859507).

Almost surely, 2^{125012701650677} is an apocalyptic number.

It is an amenable number.

125012701650677 is a deficient number, since it is larger than the sum of its proper divisors (41385225379).

125012701650677 is an equidigital number, since it uses as much as digits as its factorization.

125012701650677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787927.

The product of its (nonzero) digits is 1234800, while the sum is 50.

The spelling of 125012701650677 in words is "one hundred twenty-five trillion, twelve billion, seven hundred one million, six hundred fifty thousand, six hundred seventy-seven".