1102544121 has 8 divisors (see below), whose sum is σ = 1680067264. Its totient is φ = 630025200.

The previous prime is 1102544099. The next prime is 1102544147. The reversal of 1102544121 is 1214452011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1102544121 - 2⁵ = 1102544089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 52502101 = 1102544121 / (1 + 1 + 0 + 2 + 5 + 4 + 4 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102544621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26251030 + ... + 26251071.

It is an arithmetic number, because the mean of its divisors is an integer number (210008408).

Almost surely, 2^1102544121 is an apocalyptic number.

It is an amenable number.

1102544121 is a deficient number, since it is larger than the sum of its proper divisors (577523143).

1102544121 is an equidigital number, since it uses as much as digits as its factorization.

1102544121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52502111.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1102544121 is about 33204.5798196574. The cubic root of 1102544121 is about 1033.0753346759.

Adding to 1102544121 its reverse (1214452011), we get a palindrome (2316996132).

The spelling of 1102544121 in words is "one billion, one hundred two million, five hundred forty-four thousand, one hundred twenty-one".