100040515 has 8 divisors (see below), whose sum is σ = 120768480. Its totient is φ = 79552512.

The previous prime is 100040513. The next prime is 100040519. The reversal of 100040515 is 515040001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100040515 - 2¹ = 100040513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100040513) 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, 59070 + ... + 60739.

It is an arithmetic number, because the mean of its divisors is an integer number (15096060).

Almost surely, 2^100040515 is an apocalyptic number.

100040515 is a deficient number, since it is larger than the sum of its proper divisors (20727965).

100040515 is a wasteful number, since it uses less digits than its factorization.

100040515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119981.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 100040515 is about 10002.0255448584. The cubic root of 100040515 is about 464.2215595548.

Adding to 100040515 its reverse (515040001), we get a palindrome (615080516).

The spelling of 100040515 in words is "one hundred million, forty thousand, five hundred fifteen".