1198153 has 4 divisors (see below), whose sum is σ = 1307088. Its totient is φ = 1089220.

The previous prime is 1198151. The next prime is 1198157. The reversal of 1198153 is 3518911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3518911 = 11 ⋅319901.

It is not a de Polignac number, because 1198153 - 2¹ = 1198151 is a prime.

It is a super-2 number, since 2×1198153² = 2871141222818, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1198151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54451 + ... + 54472.

It is an arithmetic number, because the mean of its divisors is an integer number (326772).

2^1198153 is an apocalyptic number.

It is an amenable number.

1198153 is a deficient number, since it is larger than the sum of its proper divisors (108935).

1198153 is a wasteful number, since it uses less digits than its factorization.

1198153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108934.

The product of its digits is 1080, while the sum is 28.

The square root of 1198153 is about 1094.6017540640. The cubic root of 1198153 is about 106.2113086341.

The spelling of 1198153 in words is "one million, one hundred ninety-eight thousand, one hundred fifty-three".