1079540961 has 4 divisors (see below), whose sum is σ = 1439387952. Its totient is φ = 719693972.

The previous prime is 1079540927. The next prime is 1079540983. The reversal of 1079540961 is 1690459701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1079540961 - 2¹⁵ = 1079508193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1079540261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179923491 + ... + 179923496.

It is an arithmetic number, because the mean of its divisors is an integer number (359846988).

Almost surely, 2^1079540961 is an apocalyptic number.

It is an amenable number.

1079540961 is a deficient number, since it is larger than the sum of its proper divisors (359846991).

1079540961 is an equidigital number, since it uses as much as digits as its factorization.

1079540961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359846990.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 1079540961 is about 32856.3686520589. The cubic root of 1079540961 is about 1025.8401871014.

The spelling of 1079540961 in words is "one billion, seventy-nine million, five hundred forty thousand, nine hundred sixty-one".