1134021257 has 2 divisors, whose sum is σ = 1134021258. Its totient is φ = 1134021256.

The previous prime is 1134021209. The next prime is 1134021271. The reversal of 1134021257 is 7521204311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613998841 + 520022416 = 24779^2 + 22804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1134021257 - 2¹² = 1134017161 is a prime.

It is a super-2 number, since 2×1134021257² = 2572008422655720098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1134021157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567010628 + 567010629.

It is an arithmetic number, because the mean of its divisors is an integer number (567010629).

Almost surely, 2^1134021257 is an apocalyptic number.

It is an amenable number.

1134021257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134021257 is an equidigital number, since it uses as much as digits as its factorization.

1134021257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1134021257 is about 33675.2321001652. The cubic root of 1134021257 is about 1042.8145092893.

Adding to 1134021257 its reverse (7521204311), we get a palindrome (8655225568).

The spelling of 1134021257 in words is "one billion, one hundred thirty-four million, twenty-one thousand, two hundred fifty-seven".