1122521453 has 2 divisors, whose sum is σ = 1122521454. Its totient is φ = 1122521452.

The previous prime is 1122521401. The next prime is 1122521471. The reversal of 1122521453 is 3541252211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811281289 + 311240164 = 28483^2 + 17642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122521453 - 2²² = 1118327149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122521483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561260726 + 561260727.

It is an arithmetic number, because the mean of its divisors is an integer number (561260727).

Almost surely, 2^1122521453 is an apocalyptic number.

It is an amenable number.

1122521453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122521453 is an equidigital number, since it uses as much as digits as its factorization.

1122521453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 1122521453 is about 33504.0512923437. The cubic root of 1122521453 is about 1039.2775594754.

Adding to 1122521453 its reverse (3541252211), we get a palindrome (4663773664).

The spelling of 1122521453 in words is "one billion, one hundred twenty-two million, five hundred twenty-one thousand, four hundred fifty-three".