1151230277 has 2 divisors, whose sum is σ = 1151230278. Its totient is φ = 1151230276.

The previous prime is 1151230261. The next prime is 1151230303. The reversal of 1151230277 is 7720321511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 800267521 + 350962756 = 28289^2 + 18734^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151230277 - 2⁴ = 1151230261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151230217) 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, 575615138 + 575615139.

It is an arithmetic number, because the mean of its divisors is an integer number (575615139).

Almost surely, 2^1151230277 is an apocalyptic number.

It is an amenable number.

1151230277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151230277 is an equidigital number, since it uses as much as digits as its factorization.

1151230277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 1151230277 is about 33929.7845115468. The cubic root of 1151230277 is about 1048.0630282417.

Adding to 1151230277 its reverse (7720321511), we get a palindrome (8871551788).

The spelling of 1151230277 in words is "one billion, one hundred fifty-one million, two hundred thirty thousand, two hundred seventy-seven".