1121364453 has 16 divisors (see below), whose sum is σ = 1631707200. Its totient is φ = 679351680.

The previous prime is 1121364397. The next prime is 1121364487. The reversal of 1121364453 is 3544631211.

It is not a de Polignac number, because 1121364453 - 2⁶ = 1121364389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121364453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121360453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111643 + ... + 121271.

It is an arithmetic number, because the mean of its divisors is an integer number (101981700).

Almost surely, 2^1121364453 is an apocalyptic number.

It is an amenable number.

1121364453 is a deficient number, since it is larger than the sum of its proper divisors (510342747).

1121364453 is a wasteful number, since it uses less digits than its factorization.

1121364453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172.

The product of its digits is 8640, while the sum is 30.

The square root of 1121364453 is about 33486.7802722209. The cubic root of 1121364453 is about 1038.9203703111.

Adding to 1121364453 its reverse (3544631211), we get a palindrome (4665995664).

The spelling of 1121364453 in words is "one billion, one hundred twenty-one million, three hundred sixty-four thousand, four hundred fifty-three".