1079312261 has 2 divisors, whose sum is σ = 1079312262. Its totient is φ = 1079312260.

The previous prime is 1079312243. The next prime is 1079312279. The reversal of 1079312261 is 1622139701.

1079312261 = 23230² + 23231².

It is a balanced prime because it is at equal distance from previous prime (1079312243) and next prime (1079312279).

It can be written as a sum of positive squares in only one way, i.e., 539679361 + 539632900 = 23231^2 + 23230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079312261 - 2¹⁸ = 1079050117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1079312281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539656130 + 539656131.

It is an arithmetic number, because the mean of its divisors is an integer number (539656131).

Almost surely, 2^1079312261 is an apocalyptic number.

1079312261 is the 23231-st centered square number.

It is an amenable number.

1079312261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079312261 is an equidigital number, since it uses as much as digits as its factorization.

1079312261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1079312261 is about 32852.8881683179. Note that the first 3 decimals coincide. The cubic root of 1079312261 is about 1025.7677408091.

The spelling of 1079312261 in words is "one billion, seventy-nine million, three hundred twelve thousand, two hundred sixty-one".