1122420300 has 36 divisors (see below), whose sum is σ = 3247536936. Its totient is φ = 299312000.

The previous prime is 1122420293. The next prime is 1122420311. The reversal of 1122420300 is 30242211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122420300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870401 + ... + 1871000.

Almost surely, 2^1122420300 is an apocalyptic number.

1122420300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122420300 is an abundant number, since it is smaller than the sum of its proper divisors (2125116636).

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

1122420300 is a wasteful number, since it uses less digits than its factorization.

1122420300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741418 (or 3741411 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1122420300 is about 33502.5416946237. The cubic root of 1122420300 is about 1039.2463413041.

Adding to 1122420300 its reverse (30242211), we get a palindrome (1152662511).

The spelling of 1122420300 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, three hundred".