1202168449 has 2 divisors, whose sum is σ = 1202168450. Its totient is φ = 1202168448.

The previous prime is 1202168423. The next prime is 1202168477. The reversal of 1202168449 is 9448612021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1075380849 + 126787600 = 32793^2 + 11260^2 .

It is an emirp because it is prime and its reverse (9448612021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202168449 - 2²³ = 1193779841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202168489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601084224 + 601084225.

It is an arithmetic number, because the mean of its divisors is an integer number (601084225).

Almost surely, 2^1202168449 is an apocalyptic number.

It is an amenable number.

1202168449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202168449 is an equidigital number, since it uses as much as digits as its factorization.

1202168449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1202168449 is about 34672.3008899035. The cubic root of 1202168449 is about 1063.2982731556.

The spelling of 1202168449 in words is "one billion, two hundred two million, one hundred sixty-eight thousand, four hundred forty-nine".