1147499147 has 2 divisors, whose sum is σ = 1147499148. Its totient is φ = 1147499146.

The previous prime is 1147499117. The next prime is 1147499149. The reversal of 1147499147 is 7419947411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1147499147 - 2¹² = 1147495051 is a prime.

Together with 1147499149, 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 (1147499149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573749573 + 573749574.

It is an arithmetic number, because the mean of its divisors is an integer number (573749574).

Almost surely, 2^1147499147 is an apocalyptic number.

1147499147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147499147 is an equidigital number, since it uses as much as digits as its factorization.

1147499147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 1147499147 is about 33874.7567814147. The cubic root of 1147499147 is about 1046.9295476227.

The spelling of 1147499147 in words is "one billion, one hundred forty-seven million, four hundred ninety-nine thousand, one hundred forty-seven".