1285235 has 8 divisors (see below), whose sum is σ = 1762656. Its totient is φ = 881280.

The previous prime is 1285231. The next prime is 1285237. The reversal of 1285235 is 5325821.

1285235 = T₁₀₁ + T₁₀₂ + ... + T₂₀₅.

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

It is not a de Polignac number, because 1285235 - 2² = 1285231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1285231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18326 + ... + 18395.

It is an arithmetic number, because the mean of its divisors is an integer number (220332).

2^1285235 is an apocalyptic number.

1285235 is a deficient number, since it is larger than the sum of its proper divisors (477421).

1285235 is an equidigital number, since it uses as much as digits as its factorization.

1285235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36733.

The product of its digits is 2400, while the sum is 26.

The square root of 1285235 is about 1133.6820541933. The cubic root of 1285235 is about 108.7245239130.

The spelling of 1285235 in words is "one million, two hundred eighty-five thousand, two hundred thirty-five".