1133180947 has 2 divisors, whose sum is σ = 1133180948. Its totient is φ = 1133180946.

The previous prime is 1133180933. The next prime is 1133181017. The reversal of 1133180947 is 7490813311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133180947 - 2¹⁵ = 1133148179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1133180647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566590473 + 566590474.

It is an arithmetic number, because the mean of its divisors is an integer number (566590474).

Almost surely, 2^1133180947 is an apocalyptic number.

1133180947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133180947 is an equidigital number, since it uses as much as digits as its factorization.

1133180947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1133180947 is about 33662.7531108197. The cubic root of 1133180947 is about 1042.5568703820.

The spelling of 1133180947 in words is "one billion, one hundred thirty-three million, one hundred eighty thousand, nine hundred forty-seven".