124487881 has 12 divisors (see below), whose sum is σ = 148182672. Its totient is φ = 104220648.

The previous prime is 124487773. The next prime is 124487903. The reversal of 124487881 is 188784421.

It is not a de Polignac number, because 124487881 - 2⁹ = 124487369 is a prime.

It is a super-2 number, since 2×124487881² = 30994465031740322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124487081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27435 + ... + 31648.

It is an arithmetic number, because the mean of its divisors is an integer number (12348556).

Almost surely, 2^124487881 is an apocalyptic number.

It is an amenable number.

124487881 is a deficient number, since it is larger than the sum of its proper divisors (23694791).

124487881 is an equidigital number, since it uses as much as digits as its factorization.

124487881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59140 (or 59133 counting only the distinct ones).

The product of its digits is 114688, while the sum is 43.

The square root of 124487881 is about 11157.4137236189. The cubic root of 124487881 is about 499.3162400375.

The spelling of 124487881 in words is "one hundred twenty-four million, four hundred eighty-seven thousand, eight hundred eighty-one".