1100421124 has 24 divisors (see below), whose sum is σ = 2173248000. Its totient is φ = 482942880.

The previous prime is 1100421109. The next prime is 1100421149. The reversal of 1100421124 is 4211240011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100421098 and 1100421107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429924 + ... + 432475.

It is an arithmetic number, because the mean of its divisors is an integer number (90552000).

Almost surely, 2^1100421124 is an apocalyptic number.

It is an amenable number.

1100421124 is a deficient number, since it is larger than the sum of its proper divisors (1072826876).

1100421124 is a wasteful number, since it uses less digits than its factorization.

1100421124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862443 (or 862441 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1100421124 is about 33172.5959792115. The cubic root of 1100421124 is about 1032.4118313556.

Adding to 1100421124 its reverse (4211240011), we get a palindrome (5311661135).

It can be divided in two parts, 1100 and 421124, that added together give a palindrome (422224).

The spelling of 1100421124 in words is "one billion, one hundred million, four hundred twenty-one thousand, one hundred twenty-four".