1351442 has 8 divisors (see below), whose sum is σ = 2076732. Its totient is φ = 659200.

The previous prime is 1351439. The next prime is 1351459. The reversal of 1351442 is 2441531.

1351442 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 1207801 + 143641 = 1099^2 + 379^2 .

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

It is a congruent 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, 8159 + ... + 8322.

2^1351442 is an apocalyptic number.

1351442 is a deficient number, since it is larger than the sum of its proper divisors (725290).

1351442 is a wasteful number, since it uses less digits than its factorization.

1351442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

The product of its digits is 480, while the sum is 20.

The square root of 1351442 is about 1162.5153762424. The cubic root of 1351442 is about 110.5602818709.

Adding to 1351442 its reverse (2441531), we get a palindrome (3792973).

It can be divided in two parts, 13 and 51442, that multiplied together give a triangular number (668746 = T₁₁₅₆).

The spelling of 1351442 in words is "one million, three hundred fifty-one thousand, four hundred forty-two".