1122798 has 8 divisors (see below), whose sum is σ = 2245608. Its totient is φ = 374264.

The previous prime is 1122761. The next prime is 1122811. The reversal of 1122798 is 8972211.

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

1122798 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93561 + ... + 93572.

It is an arithmetic number, because the mean of its divisors is an integer number (280701).

2^1122798 is an apocalyptic number.

1122798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1122798 is a wasteful number, since it uses less digits than its factorization.

1122798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187138.

The product of its digits is 2016, while the sum is 30.

The square root of 1122798 is about 1059.6216305833. The cubic root of 1122798 is about 103.9362898748.

It can be divided in two parts, 11227 and 98, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 1122798 in words is "one million, one hundred twenty-two thousand, seven hundred ninety-eight".