1079494721 has 16 divisors (see below), whose sum is σ = 1131631488. Its totient is φ = 1028764800.

The previous prime is 1079494529. The next prime is 1079494733. The reversal of 1079494721 is 1274949701.

It is a cyclic number.

It is not a de Polignac number, because 1079494721 - 2¹⁸ = 1079232577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1079494751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426941 + ... + 429461.

It is an arithmetic number, because the mean of its divisors is an integer number (70726968).

Almost surely, 2^1079494721 is an apocalyptic number.

It is an amenable number.

1079494721 is a deficient number, since it is larger than the sum of its proper divisors (52136767).

1079494721 is a wasteful number, since it uses less digits than its factorization.

1079494721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1079494721 is about 32855.6649757694. The cubic root of 1079494721 is about 1025.8255402811.

The spelling of 1079494721 in words is "one billion, seventy-nine million, four hundred ninety-four thousand, seven hundred twenty-one".