1182275449 has 2 divisors, whose sum is σ = 1182275450. Its totient is φ = 1182275448.

The previous prime is 1182275447. The next prime is 1182275461. The reversal of 1182275449 is 9445722811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808549225 + 373726224 = 28435^2 + 19332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1182275449 - 2¹ = 1182275447 is a prime.

Together with 1182275447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1182275447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591137724 + 591137725.

It is an arithmetic number, because the mean of its divisors is an integer number (591137725).

Almost surely, 2^1182275449 is an apocalyptic number.

It is an amenable number.

1182275449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1182275449 is an equidigital number, since it uses as much as digits as its factorization.

1182275449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 1182275449 is about 34384.2325637784. The cubic root of 1182275449 is about 1057.4006110916.

The spelling of 1182275449 in words is "one billion, one hundred eighty-two million, two hundred seventy-five thousand, four hundred forty-nine".