1404142 has 8 divisors (see below), whose sum is σ = 2113056. Its totient is φ = 699792.

The previous prime is 1404133. The next prime is 1404163. The reversal of 1404142 is 2414041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1404142² = 3943229512328, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 223 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (264132).

2^1404142 is an apocalyptic number.

1404142 is a deficient number, since it is larger than the sum of its proper divisors (708914).

1404142 is a wasteful number, since it uses less digits than its factorization.

1404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1404142 is about 1184.9649783854. The cubic root of 1404142 is about 111.9791096242.

Adding to 1404142 its reverse (2414041), we get a palindrome (3818183).

The spelling of 1404142 in words is "one million, four hundred four thousand, one hundred forty-two".