1265198 has 16 divisors (see below), whose sum is σ = 2090880. Its totient is φ = 569400.

The previous prime is 1265197. The next prime is 1265233. The reversal of 1265198 is 8915621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265197) 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 7 ways as a sum of consecutive naturals, for example, 2663 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

2^1265198 is an apocalyptic number.

1265198 is a deficient number, since it is larger than the sum of its proper divisors (825682).

1265198 is a wasteful number, since it uses less digits than its factorization.

1265198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583.

The product of its digits is 4320, while the sum is 32.

The square root of 1265198 is about 1124.8102062126. The cubic root of 1265198 is about 108.1565516528.

The spelling of 1265198 in words is "one million, two hundred sixty-five thousand, one hundred ninety-eight".