1140478 has 8 divisors (see below), whose sum is σ = 1785168. Its totient is φ = 545424.

The previous prime is 1140463. The next prime is 1140487. The reversal of 1140478 is 8740411.

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

It is an Ulam number.

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, 12351 + ... + 12442.

It is an arithmetic number, because the mean of its divisors is an integer number (223146).

2^1140478 is an apocalyptic number.

1140478 is a deficient number, since it is larger than the sum of its proper divisors (644690).

1140478 is a wasteful number, since it uses less digits than its factorization.

1140478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24818.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1140478 is about 1067.9316457527. The cubic root of 1140478 is about 104.4789912209.

Adding to 1140478 its reverse (8740411), we get a palindrome (9880889).

The spelling of 1140478 in words is "one million, one hundred forty thousand, four hundred seventy-eight".