1351045 has 4 divisors (see below), whose sum is σ = 1621260. Its totient is φ = 1080832.

The previous prime is 1351039. The next prime is 1351061. The reversal of 1351045 is 5401531.

1351045 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5401531 = 43 ⋅125617.

It can be written as a sum of positive squares in 2 ways, for example, as 314721 + 1036324 = 561^2 + 1018^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351045 - 2³ = 1351037 is a prime.

1351045 is a lucky number.

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, 135100 + ... + 135109.

It is an arithmetic number, because the mean of its divisors is an integer number (405315).

2^1351045 is an apocalyptic number.

It is an amenable number.

1351045 is a deficient number, since it is larger than the sum of its proper divisors (270215).

1351045 is an equidigital number, since it uses as much as digits as its factorization.

1351045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270214.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1351045 is about 1162.3446132710. The cubic root of 1351045 is about 110.5494547370.

Adding to 1351045 its reverse (5401531), we get a palindrome (6752576).

The spelling of 1351045 in words is "one million, three hundred fifty-one thousand, forty-five".