124827981 has 8 divisors (see below), whose sum is σ = 167171424. Its totient is φ = 82851600.

The previous prime is 124827949. The next prime is 124828003. The reversal of 124827981 is 189728421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124827981 - 2⁵ = 124827949 is a prime.

It is a super-2 number, since 2×124827981² = 31164049681072722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124826981) 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, 90970 + ... + 92331.

It is an arithmetic number, because the mean of its divisors is an integer number (20896428).

Almost surely, 2^124827981 is an apocalyptic number.

It is an amenable number.

124827981 is a deficient number, since it is larger than the sum of its proper divisors (42343443).

124827981 is a wasteful number, since it uses less digits than its factorization.

124827981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183531.

The product of its digits is 64512, while the sum is 42.

The square root of 124827981 is about 11172.6443154698. The cubic root of 124827981 is about 499.7705360420.

The spelling of 124827981 in words is "one hundred twenty-four million, eight hundred twenty-seven thousand, nine hundred eighty-one".