1298195 has 4 divisors (see below), whose sum is σ = 1557840. Its totient is φ = 1038552.

The previous prime is 1298191. The next prime is 1298197. The reversal of 1298195 is 5918921.

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

It is a cyclic number.

It is not a de Polignac number, because 1298195 - 2² = 1298191 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1298191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129815 + ... + 129824.

It is an arithmetic number, because the mean of its divisors is an integer number (389460).

2^1298195 is an apocalyptic number.

1298195 is a deficient number, since it is larger than the sum of its proper divisors (259645).

1298195 is an equidigital number, since it uses as much as digits as its factorization.

1298195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259644.

The product of its digits is 6480, while the sum is 35.

The square root of 1298195 is about 1139.3836052884. The cubic root of 1298195 is about 109.0887530087.

The spelling of 1298195 in words is "one million, two hundred ninety-eight thousand, one hundred ninety-five".