1142404 has 12 divisors (see below), whose sum is σ = 2022300. Its totient is φ = 564608.

The previous prime is 1142389. The next prime is 1142423. The reversal of 1142404 is 4042411.

It can be written as a sum of positive squares in 2 ways, for example, as 419904 + 722500 = 648^2 + 850^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (168525).

2^1142404 is an apocalyptic number.

It is an amenable number.

1142404 is a deficient number, since it is larger than the sum of its proper divisors (879896).

1142404 is a wasteful number, since it uses less digits than its factorization.

1142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3300 counting only the distinct ones).

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

The square root of 1142404 is about 1068.8330084723. The cubic root of 1142404 is about 104.5377716529.

Adding to 1142404 its reverse (4042411), we get a palindrome (5184815).

It can be divided in two parts, 114240 and 4, that added together give a square (114244 = 338²).

The spelling of 1142404 in words is "one million, one hundred forty-two thousand, four hundred four".