1122898 has 8 divisors (see below), whose sum is σ = 1924992. Its totient is φ = 481236.

The previous prime is 1122887. The next prime is 1122899. The reversal of 1122898 is 8982211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1122899) 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, 40090 + ... + 40117.

It is an arithmetic number, because the mean of its divisors is an integer number (240624).

2^1122898 is an apocalyptic number.

1122898 is a deficient number, since it is larger than the sum of its proper divisors (802094).

1122898 is an equidigital number, since it uses as much as digits as its factorization.

1122898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80216.

The product of its digits is 2304, while the sum is 31.

The square root of 1122898 is about 1059.6688161874. The cubic root of 1122898 is about 103.9393754166.

The spelling of 1122898 in words is "one million, one hundred twenty-two thousand, eight hundred ninety-eight".