1490042 has 8 divisors (see below), whose sum is σ = 2277396. Its totient is φ = 730912.

The previous prime is 1490039. The next prime is 1490051. The reversal of 1490042 is 2400941.

It can be written as a sum of positive squares in 2 ways, for example, as 1437601 + 52441 = 1199^2 + 229^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1489996 and 1490023.

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, 6923 + ... + 7134.

2^1490042 is an apocalyptic number.

1490042 is a deficient number, since it is larger than the sum of its proper divisors (787354).

1490042 is a wasteful number, since it uses less digits than its factorization.

1490042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14112.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1490042 is about 1220.6727653225. The cubic root of 1490042 is about 114.2175490834.

Adding to 1490042 its reverse (2400941), we get a palindrome (3890983).

The spelling of 1490042 in words is "one million, four hundred ninety thousand, forty-two".