40125130 has 16 divisors (see below), whose sum is σ = 72747360. Its totient is φ = 15934032.

The previous prime is 40125103. The next prime is 40125139. The reversal of 40125130 is 3152104.

It is a super-2 number, since 2×40125130² = 3220052115033800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40125139) 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, 13044 + ... + 15823.

It is an arithmetic number, because the mean of its divisors is an integer number (4546710).

Almost surely, 2^40125130 is an apocalyptic number.

40125130 is a deficient number, since it is larger than the sum of its proper divisors (32622230).

40125130 is a wasteful number, since it uses less digits than its factorization.

40125130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29013.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40125130 is about 6334.4399910331. The cubic root of 40125130 is about 342.3514336031.

Adding to 40125130 its reverse (3152104), we get a palindrome (43277234).

The spelling of 40125130 in words is "forty million, one hundred twenty-five thousand, one hundred thirty".