1061198 has 4 divisors (see below), whose sum is σ = 1591800. Its totient is φ = 530598.

The previous prime is 1061189. The next prime is 1061227. The reversal of 1061198 is 8911601.

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

It is a super-2 number, since 2×1061198² = 2252282390408, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265298 + ... + 265301.

It is an arithmetic number, because the mean of its divisors is an integer number (397950).

2^1061198 is an apocalyptic number.

1061198 is a deficient number, since it is larger than the sum of its proper divisors (530602).

1061198 is an equidigital number, since it uses as much as digits as its factorization.

1061198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530601.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1061198 is about 1030.1446500371. The cubic root of 1061198 is about 101.9996796094. Note that the first 3 decimals are identical.

Adding to 1061198 its reverse (8911601), we get a palindrome (9972799).

The spelling of 1061198 in words is "one million, sixty-one thousand, one hundred ninety-eight".