1077223261 has 2 divisors, whose sum is σ = 1077223262. Its totient is φ = 1077223260.

The previous prime is 1077223243. The next prime is 1077223283. The reversal of 1077223261 is 1623227701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1071318361 + 5904900 = 32731^2 + 2430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077223261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538611630 + 538611631.

It is an arithmetic number, because the mean of its divisors is an integer number (538611631).

Almost surely, 2^1077223261 is an apocalyptic number.

It is an amenable number.

1077223261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077223261 is an equidigital number, since it uses as much as digits as its factorization.

1077223261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1077223261 is about 32821.0795221608. The cubic root of 1077223261 is about 1025.1055250469.

The spelling of 1077223261 in words is "one billion, seventy-seven million, two hundred twenty-three thousand, two hundred sixty-one".