1030779091 has 2 divisors, whose sum is σ = 1030779092. Its totient is φ = 1030779090.

The previous prime is 1030779083. The next prime is 1030779143. The reversal of 1030779091 is 1909770301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1030779091 - 2³ = 1030779083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1030779091.

It is not a weakly prime, because it can be changed into another prime (1030779031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515389545 + 515389546.

It is an arithmetic number, because the mean of its divisors is an integer number (515389546).

Almost surely, 2^1030779091 is an apocalyptic number.

1030779091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030779091 is an equidigital number, since it uses as much as digits as its factorization.

1030779091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 1030779091 is about 32105.7485662615. The cubic root of 1030779091 is about 1010.1561994149.

It can be divided in two parts, 10307 and 79091, that added together give a palindrome (89398).

The spelling of 1030779091 in words is "one billion, thirty million, seven hundred seventy-nine thousand, ninety-one".