1112355898 has 4 divisors (see below), whose sum is σ = 1668533850. Its totient is φ = 556177948.

The previous prime is 1112355887. The next prime is 1112355899. The reversal of 1112355898 is 8985532111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8985532111 = 2003 ⋅4486037.

It can be written as a sum of positive squares in only one way, i.e., 1086823089 + 25532809 = 32967^2 + 5053^2 .

It is not an unprimeable number, because it can be changed into a prime (1112355899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278088973 + ... + 278088976.

Almost surely, 2^1112355898 is an apocalyptic number.

1112355898 is a deficient number, since it is larger than the sum of its proper divisors (556177952).

1112355898 is an equidigital number, since it uses as much as digits as its factorization.

1112355898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556177951.

The product of its digits is 86400, while the sum is 43.

The square root of 1112355898 is about 33351.9999100504. Note that the first 4 decimals coincide. The cubic root of 1112355898 is about 1036.1308085304.

The spelling of 1112355898 in words is "one billion, one hundred twelve million, three hundred fifty-five thousand, eight hundred ninety-eight".