1198872 has 24 divisors (see below), whose sum is σ = 3247140. Its totient is φ = 399600.

The previous prime is 1198867. The next prime is 1198877. The reversal of 1198872 is 2788911.

It is an interprime number because it is at equal distance from previous prime (1198867) and next prime (1198877).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8254 + ... + 8397.

2^1198872 is an apocalyptic number.

1198872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1198872 is an abundant number, since it is smaller than the sum of its proper divisors (2048268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198872 is a wasteful number, since it uses less digits than its factorization.

1198872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16663 (or 16656 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 1198872 is about 1094.9301347575. The cubic root of 1198872 is about 106.2325498447.

The spelling of 1198872 in words is "one million, one hundred ninety-eight thousand, eight hundred seventy-two".