124750064077 has 4 divisors (see below), whose sum is σ = 125396437660. Its totient is φ = 124103690496.

The previous prime is 124750064011. The next prime is 124750064111. The reversal of 124750064077 is 770460057421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25209183076 + 99540881001 = 158774^2 + 315501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124750064077 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 (124750064977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323186502 + ... + 323186887.

It is an arithmetic number, because the mean of its divisors is an integer number (31349109415).

Almost surely, 2^124750064077 is an apocalyptic number.

It is an amenable number.

124750064077 is a deficient number, since it is larger than the sum of its proper divisors (646373583).

124750064077 is an equidigital number, since it uses as much as digits as its factorization.

124750064077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646373582.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 124750064077 in words is "one hundred twenty-four billion, seven hundred fifty million, sixty-four thousand, seventy-seven".