1121118298 has 4 divisors (see below), whose sum is σ = 1681677450. Its totient is φ = 560559148.

The previous prime is 1121118293. The next prime is 1121118319. The reversal of 1121118298 is 8928111211.

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

It can be written as a sum of positive squares in only one way, i.e., 920697649 + 200420649 = 30343^2 + 14157^2 .

It is a super-2 number, since 2×1121118298² = 2513812476220833608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121118293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280279573 + ... + 280279576.

Almost surely, 2^1121118298 is an apocalyptic number.

1121118298 is a deficient number, since it is larger than the sum of its proper divisors (560559152).

1121118298 is an equidigital number, since it uses as much as digits as its factorization.

1121118298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560559151.

The product of its digits is 2304, while the sum is 34.

The square root of 1121118298 is about 33483.1046648903. The cubic root of 1121118298 is about 1038.8443456200.

It can be divided in two parts, 112111 and 8298, that added together give a square (120409 = 347²).

The spelling of 1121118298 in words is "one billion, one hundred twenty-one million, one hundred eighteen thousand, two hundred ninety-eight".