1240108297 has 2 divisors, whose sum is σ = 1240108298. Its totient is φ = 1240108296.

The previous prime is 1240108211. The next prime is 1240108327. The reversal of 1240108297 is 7928010421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 853749961 + 386358336 = 29219^2 + 19656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240108297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240105297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620054148 + 620054149.

It is an arithmetic number, because the mean of its divisors is an integer number (620054149).

Almost surely, 2^1240108297 is an apocalyptic number.

It is an amenable number.

1240108297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240108297 is an equidigital number, since it uses as much as digits as its factorization.

1240108297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1240108297 is about 35215.1714038140. The cubic root of 1240108297 is about 1074.3683462833.

The spelling of 1240108297 in words is "one billion, two hundred forty million, one hundred eight thousand, two hundred ninety-seven".