1409042 has 4 divisors (see below), whose sum is σ = 2113566. Its totient is φ = 704520.

The previous prime is 1409041. The next prime is 1409053. The reversal of 1409042 is 2409041.

1409042 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2409041 = 31 ⋅77711.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 579121 = 911^2 + 761^2 .

It is not an unprimeable number, because it can be changed into a prime (1409041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352259 + ... + 352262.

2^1409042 is an apocalyptic number.

1409042 is a deficient number, since it is larger than the sum of its proper divisors (704524).

1409042 is an equidigital number, since it uses as much as digits as its factorization.

1409042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704523.

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

The square root of 1409042 is about 1187.0307493911. The cubic root of 1409042 is about 112.1092153192.

Subtracting 1409042 from its reverse (2409041), we obtain a palindrome (999999).

The spelling of 1409042 in words is "one million, four hundred nine thousand, forty-two".