1152214277 has 2 divisors, whose sum is σ = 1152214278. Its totient is φ = 1152214276.

The previous prime is 1152214213. The next prime is 1152214319. The reversal of 1152214277 is 7724122511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023936001 + 128278276 = 31999^2 + 11326^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152214277 - 2⁶ = 1152214213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152244277) 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, 576107138 + 576107139.

It is an arithmetic number, because the mean of its divisors is an integer number (576107139).

Almost surely, 2^1152214277 is an apocalyptic number.

It is an amenable number.

1152214277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152214277 is an equidigital number, since it uses as much as digits as its factorization.

1152214277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 32.

The square root of 1152214277 is about 33944.2819485109. The cubic root of 1152214277 is about 1048.3615495573.

Adding to 1152214277 its reverse (7724122511), we get a palindrome (8876336788).

The spelling of 1152214277 in words is "one billion, one hundred fifty-two million, two hundred fourteen thousand, two hundred seventy-seven".