1404111123 has 12 divisors (see below), whose sum is σ = 2056727088. Its totient is φ = 922889520.

The previous prime is 1404111119. The next prime is 1404111143. The reversal of 1404111123 is 3211114041.

1404111123 is a `hidden beast` number, since 140 + 411 + 112 + 3 = 666.

It is not a de Polignac number, because 1404111123 - 2² = 1404111119 is a prime.

It is a super-3 number, since 3×1404111123³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1404111096 and 1404111105.

It is not an unprimeable number, because it can be changed into a prime (1404111103) 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 11 ways as a sum of consecutive naturals, for example, 1098040 + ... + 1099317.

It is an arithmetic number, because the mean of its divisors is an integer number (171393924).

Almost surely, 2^1404111123 is an apocalyptic number.

1404111123 is a deficient number, since it is larger than the sum of its proper divisors (652615965).

1404111123 is a wasteful number, since it uses less digits than its factorization.

1404111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197434 (or 2197431 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1404111123 is about 37471.4707877873. The cubic root of 1404111123 is about 1119.7828881346.

Adding to 1404111123 its reverse (3211114041), we get a palindrome (4615225164).

The spelling of 1404111123 in words is "one billion, four hundred four million, one hundred eleven thousand, one hundred twenty-three".