1203495149 has 2 divisors, whose sum is σ = 1203495150. Its totient is φ = 1203495148.

The previous prime is 1203495143. The next prime is 1203495151. The reversal of 1203495149 is 9415943021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811851049 + 391644100 = 28493^2 + 19790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203495149 - 2⁴ = 1203495133 is a prime.

Together with 1203495151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203495143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601747574 + 601747575.

It is an arithmetic number, because the mean of its divisors is an integer number (601747575).

Almost surely, 2^1203495149 is an apocalyptic number.

It is an amenable number.

1203495149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203495149 is an equidigital number, since it uses as much as digits as its factorization.

1203495149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1203495149 is about 34691.4276010659. The cubic root of 1203495149 is about 1063.6892774839.

The spelling of 1203495149 in words is "one billion, two hundred three million, four hundred ninety-five thousand, one hundred forty-nine".