1111220430 has 32 divisors (see below), whose sum is σ = 2674867104. Its totient is φ = 295443456.

The previous prime is 1111220333. The next prime is 1111220431. The reversal of 1111220430 is 340221111.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44847 + ... + 65066.

It is an arithmetic number, because the mean of its divisors is an integer number (83589597).

Almost surely, 2^1111220430 is an apocalyptic number.

1111220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111220430 is an abundant number, since it is smaller than the sum of its proper divisors (1563646674).

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

1111220430 is a wasteful number, since it uses less digits than its factorization.

1111220430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110260.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1111220430 is about 33334.9730763353. The cubic root of 1111220430 is about 1035.7781354579.

Adding to 1111220430 its reverse (340221111), we get a palindrome (1451441541).

The spelling of 1111220430 in words is "one billion, one hundred eleven million, two hundred twenty thousand, four hundred thirty".