1141976497 has 2 divisors, whose sum is σ = 1141976498. Its totient is φ = 1141976496.

The previous prime is 1141976491. The next prime is 1141976501. The reversal of 1141976497 is 7946791411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131582321 + 10394176 = 33639^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141976497 - 2⁷ = 1141976369 is a prime.

It is a super-2 number, since 2×1141976497² = 2608220639400782018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1141976497.

It is not a weakly prime, because it can be changed into another prime (1141976491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570988248 + 570988249.

It is an arithmetic number, because the mean of its divisors is an integer number (570988249).

Almost surely, 2^1141976497 is an apocalyptic number.

It is an amenable number.

1141976497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141976497 is an equidigital number, since it uses as much as digits as its factorization.

1141976497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 49.

The square root of 1141976497 is about 33793.1427511559. The cubic root of 1141976497 is about 1045.2473021080.

The spelling of 1141976497 in words is "one billion, one hundred forty-one million, nine hundred seventy-six thousand, four hundred ninety-seven".