1202451232949 has 2 divisors, whose sum is σ = 1202451232950. Its totient is φ = 1202451232948.

The previous prime is 1202451232933. The next prime is 1202451232987. The reversal of 1202451232949 is 9492321542021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1193462296849 + 8988936100 = 1092457^2 + 94810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202451232949 - 2⁴ = 1202451232933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202451238949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601225616474 + 601225616475.

It is an arithmetic number, because the mean of its divisors is an integer number (601225616475).

Almost surely, 2^{1202451232949} is an apocalyptic number.

It is an amenable number.

1202451232949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202451232949 is an equidigital number, since it uses as much as digits as its factorization.

1202451232949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 1202451232949 in words is "one trillion, two hundred two billion, four hundred fifty-one million, two hundred thirty-two thousand, nine hundred forty-nine".