1285153 has 4 divisors (see below), whose sum is σ = 1298500. Its totient is φ = 1271808.

The previous prime is 1285147. The next prime is 1285159. The reversal of 1285153 is 3515821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3515821 = 17 ⋅206813.

It is an interprime number because it is at equal distance from previous prime (1285147) and next prime (1285159).

It can be written as a sum of positive squares in 2 ways, for example, as 451584 + 833569 = 672^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1285153 - 2⁹ = 1284641 is a prime.

It is a Duffinian number.

1285153 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1285159) 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, 6528 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (324625).

2^1285153 is an apocalyptic number.

It is an amenable number.

1285153 is a deficient number, since it is larger than the sum of its proper divisors (13347).

1285153 is an equidigital number, since it uses as much as digits as its factorization.

1285153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346.

The product of its digits is 1200, while the sum is 25.

The square root of 1285153 is about 1133.6458882738. The cubic root of 1285153 is about 108.7222115990.

The spelling of 1285153 in words is "one million, two hundred eighty-five thousand, one hundred fifty-three".