1122498 has 60 divisors (see below), whose sum is σ = 2790018. Its totient is φ = 336960.

The previous prime is 1122491. The next prime is 1122529. The reversal of 1122498 is 8942211.

It can be written as a sum of positive squares in 3 ways, for example, as 263169 + 859329 = 513^2 + 927^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1122491) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27358 + ... + 27398.

2^1122498 is an apocalyptic number.

1122498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395009).

1122498 is an abundant number, since it is smaller than the sum of its proper divisors (1667520).

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

1122498 is a wasteful number, since it uses less digits than its factorization.

1122498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 59 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1122498 is about 1059.4800611621. The cubic root of 1122498 is about 103.9270321500.

The spelling of 1122498 in words is "one million, one hundred twenty-two thousand, four hundred ninety-eight".