1147432057 has 2 divisors, whose sum is σ = 1147432058. Its totient is φ = 1147432056.

The previous prime is 1147432043. The next prime is 1147432087. The reversal of 1147432057 is 7502347411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833823376 + 313608681 = 28876^2 + 17709^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147432057 - 2²⁷ = 1013214329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1147432007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573716028 + 573716029.

It is an arithmetic number, because the mean of its divisors is an integer number (573716029).

Almost surely, 2^1147432057 is an apocalyptic number.

It is an amenable number.

1147432057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147432057 is an equidigital number, since it uses as much as digits as its factorization.

1147432057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1147432057 is about 33873.7665015274. The cubic root of 1147432057 is about 1046.9091438683.

Adding to 1147432057 its reverse (7502347411), we get a palindrome (8649779468).

The spelling of 1147432057 in words is "one billion, one hundred forty-seven million, four hundred thirty-two thousand, fifty-seven".