40125115 has 8 divisors (see below), whose sum is σ = 48188448. Its totient is φ = 32074560.

The previous prime is 40125103. The next prime is 40125139. The reversal of 40125115 is 51152104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40125115 - 2¹⁵ = 40092347 is a prime.

It is a super-2 number, since 2×40125115² = 3220049707526450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40125092 and 40125101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6274 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (6023556).

Almost surely, 2^40125115 is an apocalyptic number.

40125115 is a deficient number, since it is larger than the sum of its proper divisors (8063333).

40125115 is a wasteful number, since it uses less digits than its factorization.

40125115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 40125115 is about 6334.4388070294. The cubic root of 40125115 is about 342.3513909427.

Adding to 40125115 its reverse (51152104), we get a palindrome (91277219).

The spelling of 40125115 in words is "forty million, one hundred twenty-five thousand, one hundred fifteen".