1127898 has 16 divisors (see below), whose sum is σ = 2506560. Its totient is φ = 375948.

The previous prime is 1127891. The next prime is 1127911. The reversal of 1127898 is 8987211.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1127891) 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, 10390 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (156660).

2^1127898 is an apocalyptic number.

1127898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1127898 is an abundant number, since it is smaller than the sum of its proper divisors (1378662).

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

1127898 is a wasteful number, since it uses less digits than its factorization.

1127898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20898 (or 20892 counting only the distinct ones).

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

The square root of 1127898 is about 1062.0254234245. The cubic root of 1127898 is about 104.0934195111.

It can be divided in two parts, 1127 and 898, that added together give a square (2025 = 45²).

The spelling of 1127898 in words is "one million, one hundred twenty-seven thousand, eight hundred ninety-eight".