1208135 has 16 divisors (see below), whose sum is σ = 1524096. Its totient is φ = 918528.

The previous prime is 1208131. The next prime is 1208149. The reversal of 1208135 is 5318021.

It is a cyclic number.

It is not a de Polignac number, because 1208135 - 2² = 1208131 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12407 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (95256).

2^1208135 is an apocalyptic number.

1208135 is a deficient number, since it is larger than the sum of its proper divisors (315961).

1208135 is an equidigital number, since it uses as much as digits as its factorization.

1208135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1208135 is about 1099.1519458200. The cubic root of 1208135 is about 106.5054476410.

The spelling of 1208135 in words is "one million, two hundred eight thousand, one hundred thirty-five".