40131124 has 24 divisors (see below), whose sum is σ = 77763168. Its totient is φ = 17967840.

The previous prime is 40131121. The next prime is 40131137. The reversal of 40131124 is 42113104.

It is a super-2 number, since 2×40131124² = 3221014227006752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40131098 and 40131107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3859 + ... + 9754.

It is an arithmetic number, because the mean of its divisors is an integer number (3240132).

Almost surely, 2^40131124 is an apocalyptic number.

40131124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40131124 is a deficient number, since it is larger than the sum of its proper divisors (37632044).

40131124 is a wasteful number, since it uses less digits than its factorization.

40131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695 (or 13693 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40131124 is about 6334.9131012193. The cubic root of 40131124 is about 342.3684798808.

Adding to 40131124 its reverse (42113104), we get a palindrome (82244228).

The spelling of 40131124 in words is "forty million, one hundred thirty-one thousand, one hundred twenty-four".