1147011497 has 2 divisors, whose sum is σ = 1147011498. Its totient is φ = 1147011496.

The previous prime is 1147011493. The next prime is 1147011499. The reversal of 1147011497 is 7941107411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105163536 + 41847961 = 33244^2 + 6469^2 .

It is an emirp because it is prime and its reverse (7941107411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147011497 - 2² = 1147011493 is a prime.

Together with 1147011499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1147011491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573505748 + 573505749.

It is an arithmetic number, because the mean of its divisors is an integer number (573505749).

Almost surely, 2^1147011497 is an apocalyptic number.

It is an amenable number.

1147011497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147011497 is an equidigital number, since it uses as much as digits as its factorization.

1147011497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 1147011497 is about 33867.5581788826. The cubic root of 1147011497 is about 1046.7812228846.

The spelling of 1147011497 in words is "one billion, one hundred forty-seven million, eleven thousand, four hundred ninety-seven".