1204995 has 32 divisors (see below), whose sum is σ = 2154240. Its totient is φ = 570240.

The previous prime is 1204981. The next prime is 1205027. The reversal of 1204995 is 5994021.

It is a happy number.

It is not a de Polignac number, because 1204995 - 2¹⁰ = 1203971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11001 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2^1204995 is an apocalyptic number.

1204995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1204995 is a deficient number, since it is larger than the sum of its proper divisors (949245).

1204995 is a wasteful number, since it uses less digits than its factorization.

1204995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1204995 is about 1097.7226425651. The cubic root of 1204995 is about 106.4130966881.

Adding to 1204995 its product of nonzero digits (3240), we get a triangular number (1208235 = T₁₅₅₄).

It can be divided in two parts, 120 and 4995, that added together give a palindrome (5115).

The spelling of 1204995 in words is "one million, two hundred four thousand, nine hundred ninety-five".