402105115 has 8 divisors (see below), whose sum is σ = 487948320. Its totient is φ = 318069312.

The previous prime is 402105101. The next prime is 402105127. The reversal of 402105115 is 511501204.

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 402105115 - 2⁹ = 402104603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402105092 and 402105101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451359 + ... + 452248.

It is an arithmetic number, because the mean of its divisors is an integer number (60993540).

Almost surely, 2^402105115 is an apocalyptic number.

402105115 is a deficient number, since it is larger than the sum of its proper divisors (85843205).

402105115 is an equidigital number, since it uses as much as digits as its factorization.

402105115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903701.

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

The square root of 402105115 is about 20052.5588142760. The cubic root of 402105115 is about 738.0965905210.

Adding to 402105115 its reverse (511501204), we get a palindrome (913606319).

The spelling of 402105115 in words is "four hundred two million, one hundred five thousand, one hundred fifteen".