1202855 has 4 divisors (see below), whose sum is σ = 1443432. Its totient is φ = 962280.

The previous prime is 1202849. The next prime is 1202857. The reversal of 1202855 is 5582021.

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

It is not a de Polignac number, because 1202855 - 2⁶ = 1202791 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 1202855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120281 + ... + 120290.

It is an arithmetic number, because the mean of its divisors is an integer number (360858).

2^1202855 is an apocalyptic number.

1202855 is a deficient number, since it is larger than the sum of its proper divisors (240577).

1202855 is an equidigital number, since it uses as much as digits as its factorization.

1202855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240576.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1202855 is about 1096.7474640955. The cubic root of 1202855 is about 106.3500649001.

Adding to 1202855 its reverse (5582021), we get a palindrome (6784876).

The spelling of 1202855 in words is "one million, two hundred two thousand, eight hundred fifty-five".