1151212057 has 2 divisors, whose sum is σ = 1151212058. Its totient is φ = 1151212056.

The previous prime is 1151212009. The next prime is 1151212061. The reversal of 1151212057 is 7502121511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102505616 + 48706441 = 33204^2 + 6979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151212057 - 2¹¹ = 1151210009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151212457) 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, 575606028 + 575606029.

It is an arithmetic number, because the mean of its divisors is an integer number (575606029).

Almost surely, 2^1151212057 is an apocalyptic number.

It is an amenable number.

1151212057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151212057 is an equidigital number, since it uses as much as digits as its factorization.

1151212057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 1151212057 is about 33929.5160148211. The cubic root of 1151212057 is about 1048.0574991397.

Adding to 1151212057 its reverse (7502121511), we get a palindrome (8653333568).

The spelling of 1151212057 in words is "one billion, one hundred fifty-one million, two hundred twelve thousand, fifty-seven".