1351402 has 8 divisors (see below), whose sum is σ = 2183076. Its totient is φ = 623712.

The previous prime is 1351397. The next prime is 1351403. The reversal of 1351402 is 2041531.

It can be written as a sum of positive squares in 2 ways, for example, as 1347921 + 3481 = 1161^2 + 59^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1351403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25963 + ... + 26014.

2^1351402 is an apocalyptic number.

1351402 is a deficient number, since it is larger than the sum of its proper divisors (831674).

1351402 is a wasteful number, since it uses less digits than its factorization.

1351402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51992.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1351402 is about 1162.4981720416. The cubic root of 1351402 is about 110.5591910718.

Adding to 1351402 its reverse (2041531), we get a palindrome (3392933).

It can be divided in two parts, 13 and 51402, that added together give a palindrome (51415).

The spelling of 1351402 in words is "one million, three hundred fifty-one thousand, four hundred two".