1110921269 has 2 divisors, whose sum is σ = 1110921270. Its totient is φ = 1110921268.

The previous prime is 1110921247. The next prime is 1110921271. The reversal of 1110921269 is 9621290111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042644100 + 68277169 = 32290^2 + 8263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110921269 is a prime.

It is a super-2 number, since 2×1110921269² = 2468292131833140722, which contains 22 as substring.

Together with 1110921271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110921209) 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 as a sum of consecutive naturals, namely, 555460634 + 555460635.

It is an arithmetic number, because the mean of its divisors is an integer number (555460635).

Almost surely, 2^1110921269 is an apocalyptic number.

It is an amenable number.

1110921269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110921269 is an equidigital number, since it uses as much as digits as its factorization.

1110921269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 1110921269 is about 33330.4855800212. The cubic root of 1110921269 is about 1035.6851769336.

The spelling of 1110921269 in words is "one billion, one hundred ten million, nine hundred twenty-one thousand, two hundred sixty-nine".