1079090091 has 12 divisors (see below), whose sum is σ = 1561287000. Its totient is φ = 718192800.

The previous prime is 1079090071. The next prime is 1079090101. The reversal of 1079090091 is 1900909701.

It is not a de Polignac number, because 1079090091 - 2⁶ = 1079090027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1079090041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94341 + ... + 105158.

It is an arithmetic number, because the mean of its divisors is an integer number (130107250).

Almost surely, 2^1079090091 is an apocalyptic number.

1079090091 is a deficient number, since it is larger than the sum of its proper divisors (482196909).

1079090091 is a wasteful number, since it uses less digits than its factorization.

1079090091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200106 (or 200103 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 1079090091 is about 32849.5067086250. The cubic root of 1079090091 is about 1025.6973532528.

Adding to 1079090091 its reverse (1900909701), we get a palindrome (2979999792).

The spelling of 1079090091 in words is "one billion, seventy-nine million, ninety thousand, ninety-one".