1147377047 has 2 divisors, whose sum is σ = 1147377048. Its totient is φ = 1147377046.

The previous prime is 1147377043. The next prime is 1147377059. The reversal of 1147377047 is 7407737411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1147377047 - 2² = 1147377043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1147376995 and 1147377013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147377043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573688523 + 573688524.

It is an arithmetic number, because the mean of its divisors is an integer number (573688524).

Almost surely, 2^1147377047 is an apocalyptic number.

1147377047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147377047 is an equidigital number, since it uses as much as digits as its factorization.

1147377047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115248, while the sum is 41.

The square root of 1147377047 is about 33872.9545065086. The cubic root of 1147377047 is about 1046.8924133520.

The spelling of 1147377047 in words is "one billion, one hundred forty-seven million, three hundred seventy-seven thousand, forty-seven".