1183400971 has 2 divisors, whose sum is σ = 1183400972. Its totient is φ = 1183400970.

The previous prime is 1183400951. The next prime is 1183400983. The reversal of 1183400971 is 1790043811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1183400971 - 2⁹ = 1183400459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1183400951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591700485 + 591700486.

It is an arithmetic number, because the mean of its divisors is an integer number (591700486).

Almost surely, 2^1183400971 is an apocalyptic number.

1183400971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183400971 is an equidigital number, since it uses as much as digits as its factorization.

1183400971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1183400971 is about 34400.5955035665. The cubic root of 1183400971 is about 1057.7360518682.

The spelling of 1183400971 in words is "one billion, one hundred eighty-three million, four hundred thousand, nine hundred seventy-one".