1351085 has 4 divisors (see below), whose sum is σ = 1621308. Its totient is φ = 1080864.

The previous prime is 1351079. The next prime is 1351087. The reversal of 1351085 is 5801531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 454276 + 896809 = 674^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351085 - 2⁴ = 1351069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351087) 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, 135104 + ... + 135113.

It is an arithmetic number, because the mean of its divisors is an integer number (405327).

2^1351085 is an apocalyptic number.

It is an amenable number.

1351085 is a deficient number, since it is larger than the sum of its proper divisors (270223).

1351085 is an equidigital number, since it uses as much as digits as its factorization.

1351085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270222.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1351085 is about 1162.3618197446. The cubic root of 1351085 is about 110.5505457281.

The spelling of 1351085 in words is "one million, three hundred fifty-one thousand, eighty-five".