40124115 has 12 divisors (see below), whose sum is σ = 69548544. Its totient is φ = 21399504.

The previous prime is 40124087. The next prime is 40124129. The reversal of 40124115 is 51142104.

It is not a de Polignac number, because 40124115 - 2¹⁴ = 40107731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445779 + ... + 445868.

It is an arithmetic number, because the mean of its divisors is an integer number (5795712).

Almost surely, 2^40124115 is an apocalyptic number.

40124115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40124115 is a deficient number, since it is larger than the sum of its proper divisors (29424429).

40124115 is a wasteful number, since it uses less digits than its factorization.

40124115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891658 (or 891655 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 40124115 is about 6334.3598729469. The cubic root of 40124115 is about 342.3485468866.

Adding to 40124115 its reverse (51142104), we get a palindrome (91266219).

The spelling of 40124115 in words is "forty million, one hundred twenty-four thousand, one hundred fifteen".