Search a number
-
+
1156124297 is a prime number
BaseRepresentation
bin100010011101001…
…0000111010001001
32222120110012101102
41010322100322021
54331431434142
6310415431145
740435615526
oct10472207211
92876405342
101156124297
11543669329
122832254b5
131556a1823
14ad78c14d
156b770532
hex44e90e89

1156124297 has 2 divisors, whose sum is σ = 1156124298. Its totient is φ = 1156124296.

The previous prime is 1156124257. The next prime is 1156124327. The reversal of 1156124297 is 7924216511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660438601 + 495685696 = 25699^2 + 22264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156124297 - 212 = 1156120201 is a prime.

It is a super-2 number, since 2×11561242972 = 2673246780227488418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1156124297.

It is not a weakly prime, because it can be changed into another prime (1156124257) 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, 578062148 + 578062149.

It is an arithmetic number, because the mean of its divisors is an integer number (578062149).

Almost surely, 21156124297 is an apocalyptic number.

It is an amenable number.

1156124297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156124297 is an equidigital number, since it uses as much as digits as its factorization.

1156124297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 1156124297 is about 34001.8278479261. The cubic root of 1156124297 is about 1049.5460765070.

The spelling of 1156124297 in words is "one billion, one hundred fifty-six million, one hundred twenty-four thousand, two hundred ninety-seven".