1111200030 has 48 divisors (see below), whose sum is σ = 2896081344. Its totient is φ = 295606080.

The previous prime is 1111200001. The next prime is 1111200037. The reversal of 1111200030 is 300021111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1111199985 and 1111200021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111200037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23227 + ... + 52553.

It is an arithmetic number, because the mean of its divisors is an integer number (60335028).

Almost surely, 2^1111200030 is an apocalyptic number.

1111200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111200030 is an abundant number, since it is smaller than the sum of its proper divisors (1784881314).

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

1111200030 is a wasteful number, since it uses less digits than its factorization.

1111200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29761 (or 29758 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1111200030 is about 33334.6670899831. The cubic root of 1111200030 is about 1035.7717970805.

Adding to 1111200030 its reverse (300021111), we get a palindrome (1411221141).

The spelling of 1111200030 in words is "one billion, one hundred eleven million, two hundred thousand, thirty".