1140211297 has 2 divisors, whose sum is σ = 1140211298. Its totient is φ = 1140211296.

The previous prime is 1140211291. The next prime is 1140211327. The reversal of 1140211297 is 7921120411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036904401 + 103306896 = 32201^2 + 10164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140211297 - 2⁷ = 1140211169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140211291) 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, 570105648 + 570105649.

It is an arithmetic number, because the mean of its divisors is an integer number (570105649).

Almost surely, 2^1140211297 is an apocalyptic number.

It is an amenable number.

1140211297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140211297 is an equidigital number, since it uses as much as digits as its factorization.

1140211297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1140211297 is about 33767.0149258118. The cubic root of 1140211297 is about 1044.7084638083.

Subtracting from 1140211297 its product of nonzero digits (1008), we obtain a square (1140210289 = 33767²).

The spelling of 1140211297 in words is "one billion, one hundred forty million, two hundred eleven thousand, two hundred ninety-seven".