1172868227 has 2 divisors, whose sum is σ = 1172868228. Its totient is φ = 1172868226.

The previous prime is 1172868223. The next prime is 1172868311. The reversal of 1172868227 is 7228682711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1172868227 - 2² = 1172868223 is a prime.

It is a super-2 number, since 2×1172868227² = 2751239755812247058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1172868223) 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, 586434113 + 586434114.

It is an arithmetic number, because the mean of its divisors is an integer number (586434114).

Almost surely, 2^1172868227 is an apocalyptic number.

1172868227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172868227 is an equidigital number, since it uses as much as digits as its factorization.

1172868227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 44.

The square root of 1172868227 is about 34247.1637803775. The cubic root of 1172868227 is about 1054.5886035512.

The spelling of 1172868227 in words is "one billion, one hundred seventy-two million, eight hundred sixty-eight thousand, two hundred twenty-seven".