111421460 has 12 divisors (see below), whose sum is σ = 233985108. Its totient is φ = 44568576.

The previous prime is 111421447. The next prime is 111421511. The reversal of 111421460 is 64124111.

It can be written as a sum of positive squares in 2 ways, for example, as 47389456 + 64032004 = 6884^2 + 8002^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5571073 = 111421460 / (1 + 1 + 1 + 4 + 2 + 1 + 4 + 6 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785517 + ... + 2785556.

It is an arithmetic number, because the mean of its divisors is an integer number (19498759).

Almost surely, 2^111421460 is an apocalyptic number.

111421460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111421460 is an abundant number, since it is smaller than the sum of its proper divisors (122563648).

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

111421460 is a wasteful number, since it uses less digits than its factorization.

111421460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571082 (or 5571080 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 111421460 is about 10555.6364090471. The cubic root of 111421460 is about 481.1970412292.

Adding to 111421460 its reverse (64124111), we get a palindrome (175545571).

The spelling of 111421460 in words is "one hundred eleven million, four hundred twenty-one thousand, four hundred sixty".