1122100308 has 72 divisors (see below), whose sum is σ = 3317041728. Its totient is φ = 313141248.

The previous prime is 1122100289. The next prime is 1122100319. The reversal of 1122100308 is 8030012211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 40941 + ... + 62612.

It is an arithmetic number, because the mean of its divisors is an integer number (46070024).

Almost surely, 2^1122100308 is an apocalyptic number.

1122100308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1122100308 is an abundant number, since it is smaller than the sum of its proper divisors (2194941420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122100308 is a wasteful number, since it uses less digits than its factorization.

1122100308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103613 (or 103608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1122100308 is about 33497.7657165370. The cubic root of 1122100308 is about 1039.1475719683.

Adding to 1122100308 its reverse (8030012211), we get a palindrome (9152112519).

The spelling of 1122100308 in words is "one billion, one hundred twenty-two million, one hundred thousand, three hundred eight".