1140234497 has 2 divisors, whose sum is σ = 1140234498. Its totient is φ = 1140234496.

The previous prime is 1140234481. The next prime is 1140234547. The reversal of 1140234497 is 7944320411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009269361 + 130965136 = 31769^2 + 11444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140234497 - 2⁴ = 1140234481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140239497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570117248 + 570117249.

It is an arithmetic number, because the mean of its divisors is an integer number (570117249).

Almost surely, 2^1140234497 is an apocalyptic number.

It is an amenable number.

1140234497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140234497 is an equidigital number, since it uses as much as digits as its factorization.

1140234497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1140234497 is about 33767.3584545786. The cubic root of 1140234497 is about 1044.7155493581.

The spelling of 1140234497 in words is "one billion, one hundred forty million, two hundred thirty-four thousand, four hundred ninety-seven".