124343132781 has 16 divisors (see below), whose sum is σ = 189585273344. Its totient is φ = 71011959984.

The previous prime is 124343132777. The next prime is 124343132783. The reversal of 124343132781 is 187231343421.

It is not a de Polignac number, because 124343132781 - 2² = 124343132777 is a prime.

It is a super-2 number, since 2×124343132781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124343132783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682071 + ... + 1754436.

It is an arithmetic number, because the mean of its divisors is an integer number (11849079584).

Almost surely, 2^124343132781 is an apocalyptic number.

It is an amenable number.

124343132781 is a deficient number, since it is larger than the sum of its proper divisors (65242140563).

124343132781 is a wasteful number, since it uses less digits than its factorization.

124343132781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438240.

The product of its digits is 96768, while the sum is 39.

The spelling of 124343132781 in words is "one hundred twenty-four billion, three hundred forty-three million, one hundred thirty-two thousand, seven hundred eighty-one".