40100124 has 12 divisors (see below), whose sum is σ = 93566984. Its totient is φ = 13366704.

The previous prime is 40100113. The next prime is 40100129. The reversal of 40100124 is 42100104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 3341677 = 40100124 / (4 + 0 + 1 + 0 + 0 + 1 + 2 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100129) 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, 1670827 + ... + 1670850.

Almost surely, 2^40100124 is an apocalyptic number.

It is an amenable number.

40100124 is an abundant number, since it is smaller than the sum of its proper divisors (53466860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40100124 is a wasteful number, since it uses less digits than its factorization.

40100124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341684 (or 3341682 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40100124 is about 6332.4658704173. The cubic root of 40100124 is about 342.2803009660.

Adding to 40100124 its reverse (42100104), we get a palindrome (82200228).

The spelling of 40100124 in words is "forty million, one hundred thousand, one hundred twenty-four".