1201110998 has 4 divisors (see below), whose sum is σ = 1801666500. Its totient is φ = 600555498.

The previous prime is 1201110997. The next prime is 1201111007. The reversal of 1201110998 is 8990111021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8990111021 = 479 ⋅18768499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201110997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300277748 + ... + 300277751.

It is an arithmetic number, because the mean of its divisors is an integer number (450416625).

Almost surely, 2^1201110998 is an apocalyptic number.

1201110998 is a deficient number, since it is larger than the sum of its proper divisors (600555502).

1201110998 is an equidigital number, since it uses as much as digits as its factorization.

1201110998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600555501.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 1201110998 is about 34657.0483163238. The cubic root of 1201110998 is about 1062.9864156779.

The spelling of 1201110998 in words is "one billion, two hundred one million, one hundred ten thousand, nine hundred ninety-eight".