1404142111 has 4 divisors (see below), whose sum is σ = 1465191792. Its totient is φ = 1343092432.

The previous prime is 1404142087. The next prime is 1404142127. The reversal of 1404142111 is 1112414041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1404142111 - 2⁷ = 1404141983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404142141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30524806 + ... + 30524851.

It is an arithmetic number, because the mean of its divisors is an integer number (366297948).

Almost surely, 2^1404142111 is an apocalyptic number.

1404142111 is a deficient number, since it is larger than the sum of its proper divisors (61049681).

1404142111 is an equidigital number, since it uses as much as digits as its factorization.

1404142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61049680.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1404142111 is about 37471.8842734122. The cubic root of 1404142111 is about 1119.7911257487.

Adding to 1404142111 its reverse (1112414041), we get a palindrome (2516556152).

The spelling of 1404142111 in words is "one billion, four hundred four million, one hundred forty-two thousand, one hundred eleven".