1100404123 has 36 divisors (see below), whose sum is σ = 1403678808. Its totient is φ = 859622400.

The previous prime is 1100404069. The next prime is 1100404153. The reversal of 1100404123 is 3214040011.

It is not a de Polignac number, because 1100404123 - 2¹³ = 1100395931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100404097 and 1100404106.

It is not an unprimeable number, because it can be changed into a prime (1100404153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 686523 + ... + 688123.

It is an arithmetic number, because the mean of its divisors is an integer number (38991078).

Almost surely, 2^1100404123 is an apocalyptic number.

1100404123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1100404123 is a deficient number, since it is larger than the sum of its proper divisors (303274685).

1100404123 is a wasteful number, since it uses less digits than its factorization.

1100404123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1100404123 is about 33172.3397275501. The cubic root of 1100404123 is about 1032.4065145656.

Adding to 1100404123 its reverse (3214040011), we get a palindrome (4314444134).

The spelling of 1100404123 in words is "one billion, one hundred million, four hundred four thousand, one hundred twenty-three".