1090009715 has 4 divisors (see below), whose sum is σ = 1308011664. Its totient is φ = 872007768.

The previous prime is 1090009703. The next prime is 1090009717. The reversal of 1090009715 is 5179000901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1090009715 - 2⁴ = 1090009699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090009717) 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, 109000967 + ... + 109000976.

It is an arithmetic number, because the mean of its divisors is an integer number (327002916).

Almost surely, 2^1090009715 is an apocalyptic number.

1090009715 is a deficient number, since it is larger than the sum of its proper divisors (218001949).

1090009715 is an equidigital number, since it uses as much as digits as its factorization.

1090009715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218001948.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 1090009715 is about 33015.2951675432. The cubic root of 1090009715 is about 1029.1455240912.

The spelling of 1090009715 in words is "one billion, ninety million, nine thousand, seven hundred fifteen".