124088681 has 4 divisors (see below), whose sum is σ = 124145364. Its totient is φ = 124032000.

The previous prime is 124088641. The next prime is 124088693. The reversal of 124088681 is 186880421.

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 81721600 + 42367081 = 9040^2 + 6509^2 .

It is a cyclic number.

It is not a de Polignac number, because 124088681 - 2¹⁸ = 123826537 is a prime.

It is a super-2 number, since 2×124088681² = 30796001504639522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124088621) 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, 24920 + ... + 29481.

It is an arithmetic number, because the mean of its divisors is an integer number (31036341).

Almost surely, 2^124088681 is an apocalyptic number.

It is an amenable number.

124088681 is a deficient number, since it is larger than the sum of its proper divisors (56683).

124088681 is an equidigital number, since it uses as much as digits as its factorization.

124088681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56682.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 124088681 is about 11139.5099084295. The cubic root of 124088681 is about 498.7819430843.

The spelling of 124088681 in words is "one hundred twenty-four million, eighty-eight thousand, six hundred eighty-one".