1100454121 has 16 divisors (see below), whose sum is σ = 1203148800. Its totient is φ = 1000404288.

The previous prime is 1100454119. The next prime is 1100454133. The reversal of 1100454121 is 1214540011.

It is not a de Polignac number, because 1100454121 - 2¹ = 1100454119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100454101) 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, 490815 + ... + 493051.

It is an arithmetic number, because the mean of its divisors is an integer number (75196800).

Almost surely, 2^1100454121 is an apocalyptic number.

It is an amenable number.

1100454121 is a deficient number, since it is larger than the sum of its proper divisors (102694679).

1100454121 is a wasteful number, since it uses less digits than its factorization.

1100454121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1100454121 is about 33173.0933287808. The cubic root of 1100454121 is about 1032.4221504816.

Adding to 1100454121 its reverse (1214540011), we get a palindrome (2314994132).

The spelling of 1100454121 in words is "one billion, one hundred million, four hundred fifty-four thousand, one hundred twenty-one".