1072198 has 4 divisors (see below), whose sum is σ = 1608300. Its totient is φ = 536098.

The previous prime is 1072187. The next prime is 1072199. The reversal of 1072198 is 8912701.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1072198² = 2299217102408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268048 + ... + 268051.

It is an arithmetic number, because the mean of its divisors is an integer number (402075).

2^1072198 is an apocalyptic number.

1072198 is a deficient number, since it is larger than the sum of its proper divisors (536102).

1072198 is an equidigital number, since it uses as much as digits as its factorization.

1072198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536101.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1072198 is about 1035.4699416207. The cubic root of 1072198 is about 102.3508996171.

Adding to 1072198 its reverse (8912701), we get a palindrome (9984899).

The spelling of 1072198 in words is "one million, seventy-two thousand, one hundred ninety-eight".