1201053149 has 2 divisors, whose sum is σ = 1201053150. Its totient is φ = 1201053148.

The previous prime is 1201053109. The next prime is 1201053151. The reversal of 1201053149 is 9413501021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195084900 + 5968249 = 34570^2 + 2443^2 .

It is an emirp because it is prime and its reverse (9413501021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201053149 - 2²⁰ = 1200004573 is a prime.

Together with 1201053151, 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 (1201053109) 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, 600526574 + 600526575.

It is an arithmetic number, because the mean of its divisors is an integer number (600526575).

Almost surely, 2^1201053149 is an apocalyptic number.

It is an amenable number.

1201053149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201053149 is an equidigital number, since it uses as much as digits as its factorization.

1201053149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1201053149 is about 34656.2137141379. The cubic root of 1201053149 is about 1062.9693498979.

The spelling of 1201053149 in words is "one billion, two hundred one million, fifty-three thousand, one hundred forty-nine".