1121962453 has 2 divisors, whose sum is σ = 1121962454. Its totient is φ = 1121962452.

The previous prime is 1121962451. The next prime is 1121962489. The reversal of 1121962453 is 3542691211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982320964 + 139641489 = 31342^2 + 11817^2 .

It is an emirp because it is prime and its reverse (3542691211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121962453 - 2¹ = 1121962451 is a prime.

Together with 1121962451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121962451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560981226 + 560981227.

It is an arithmetic number, because the mean of its divisors is an integer number (560981227).

Almost surely, 2^1121962453 is an apocalyptic number.

It is an amenable number.

1121962453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121962453 is an equidigital number, since it uses as much as digits as its factorization.

1121962453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 1121962453 is about 33495.7079787844. The cubic root of 1121962453 is about 1039.1050155960.

The spelling of 1121962453 in words is "one billion, one hundred twenty-one million, nine hundred sixty-two thousand, four hundred fifty-three".