1351005 has 8 divisors (see below), whose sum is σ = 2161632. Its totient is φ = 720528.

The previous prime is 1350977. The next prime is 1351019. The reversal of 1351005 is 5001531.

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

It is not a de Polignac number, because 1351005 - 2⁸ = 1350749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 90067 = 1351005 / (1 + 3 + 5 + 1 + 0 + 0 + 5).

It is an Ulam number.

1351005 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 7 ways as a sum of consecutive naturals, for example, 45019 + ... + 45048.

It is an arithmetic number, because the mean of its divisors is an integer number (270204).

2^1351005 is an apocalyptic number.

1351005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351005 is a deficient number, since it is larger than the sum of its proper divisors (810627).

1351005 is an equidigital number, since it uses as much as digits as its factorization.

1351005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90075.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 1351005 is about 1162.3274065426. The cubic root of 1351005 is about 110.5483637242.

Adding to 1351005 its reverse (5001531), we get a palindrome (6352536).

The spelling of 1351005 in words is "one million, three hundred fifty-one thousand, five".