1147432087 has 2 divisors, whose sum is σ = 1147432088. Its totient is φ = 1147432086.

The previous prime is 1147432057. The next prime is 1147432093. The reversal of 1147432087 is 7802347411.

It is a strong prime.

It is an emirp because it is prime and its reverse (7802347411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1147432087 is a prime.

It is a congruent number.

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, 573716043 + 573716044.

It is an arithmetic number, because the mean of its divisors is an integer number (573716044).

Almost surely, 2^1147432087 is an apocalyptic number.

1147432087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147432087 is an equidigital number, since it uses as much as digits as its factorization.

1147432087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1147432087 is about 33873.7669443480. The cubic root of 1147432087 is about 1046.9091529923.

Adding to 1147432087 its reverse (7802347411), we get a palindrome (8949779498).

The spelling of 1147432087 in words is "one billion, one hundred forty-seven million, four hundred thirty-two thousand, eighty-seven".