124681311 has 6 divisors (see below), whose sum is σ = 180095240. Its totient is φ = 83120868.

The previous prime is 124681309. The next prime is 124681327. The reversal of 124681311 is 113186421.

It is a happy number.

It is not a de Polignac number, because 124681311 - 2¹ = 124681309 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 (124681391) 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 5 ways as a sum of consecutive naturals, for example, 6926731 + ... + 6926748.

Almost surely, 2^124681311 is an apocalyptic number.

124681311 is a deficient number, since it is larger than the sum of its proper divisors (55413929).

124681311 is a wasteful number, since it uses less digits than its factorization.

124681311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853485 (or 13853482 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 124681311 is about 11166.0785865048. The cubic root of 124681311 is about 499.5747197092.

The spelling of 124681311 in words is "one hundred twenty-four million, six hundred eighty-one thousand, three hundred eleven".