1122153453 has 16 divisors (see below), whose sum is σ = 1687264960. Its totient is φ = 736935408.

The previous prime is 1122153449. The next prime is 1122153479. The reversal of 1122153453 is 3543512211.

1122153453 is a `hidden beast` number, since 1 + 122 + 1 + 534 + 5 + 3 = 666.

It is not a de Polignac number, because 1122153453 - 2² = 1122153449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122153853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308350 + ... + 311967.

It is an arithmetic number, because the mean of its divisors is an integer number (105454060).

Almost surely, 2^1122153453 is an apocalyptic number.

It is an amenable number.

1122153453 is a deficient number, since it is larger than the sum of its proper divisors (565111507).

1122153453 is an equidigital number, since it uses as much as digits as its factorization.

1122153453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620393 (or 620387 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1122153453 is about 33498.5589690064. The cubic root of 1122153453 is about 1039.1639771047.

Adding to 1122153453 its reverse (3543512211), we get a palindrome (4665665664).

The spelling of 1122153453 in words is "one billion, one hundred twenty-two million, one hundred fifty-three thousand, four hundred fifty-three".