1107252281 has 2 divisors, whose sum is σ = 1107252282. Its totient is φ = 1107252280.

The previous prime is 1107252271. The next prime is 1107252283. The reversal of 1107252281 is 1822527011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956355625 + 150896656 = 30925^2 + 12284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1107252281 is a prime.

It is a super-2 number, since 2×1107252281² = 2452015227559405922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1107252283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1107252283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553626140 + 553626141.

It is an arithmetic number, because the mean of its divisors is an integer number (553626141).

Almost surely, 2^1107252281 is an apocalyptic number.

It is an amenable number.

1107252281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107252281 is an equidigital number, since it uses as much as digits as its factorization.

1107252281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 1107252281 is about 33275.4005385360. The cubic root of 1107252281 is about 1034.5437496774.

Adding to 1107252281 its reverse (1822527011), we get a palindrome (2929779292).

The spelling of 1107252281 in words is "one billion, one hundred seven million, two hundred fifty-two thousand, two hundred eighty-one".