1102321553 has 4 divisors (see below), whose sum is σ = 1113023808. Its totient is φ = 1091619300.

The previous prime is 1102321513. The next prime is 1102321609. The reversal of 1102321553 is 3551232011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1102321553 - 2¹² = 1102317457 is a prime.

It is a super-2 number, since 2×1102321553² = 2430225612416663618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102321513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350973 + ... + 5351178.

It is an arithmetic number, because the mean of its divisors is an integer number (278255952).

Almost surely, 2^1102321553 is an apocalyptic number.

It is an amenable number.

1102321553 is a deficient number, since it is larger than the sum of its proper divisors (10702255).

1102321553 is a wasteful number, since it uses less digits than its factorization.

1102321553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702254.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1102321553 is about 33201.2281851139. The cubic root of 1102321553 is about 1033.0058151648.

Adding to 1102321553 its reverse (3551232011), we get a palindrome (4653553564).

The spelling of 1102321553 in words is "one billion, one hundred two million, three hundred twenty-one thousand, five hundred fifty-three".