111421467 has 16 divisors (see below), whose sum is σ = 169531680. Its totient is φ = 72272736.

The previous prime is 111421447. The next prime is 111421511. The reversal of 111421467 is 764124111.

It is not a de Polignac number, because 111421467 - 2⁶ = 111421403 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 111421467.

It is not an unprimeable number, because it can be changed into a prime (111421447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54768 + ... + 56765.

It is an arithmetic number, because the mean of its divisors is an integer number (10595730).

Almost surely, 2^111421467 is an apocalyptic number.

111421467 is a deficient number, since it is larger than the sum of its proper divisors (58110213).

111421467 is a wasteful number, since it uses less digits than its factorization.

111421467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111579 (or 111573 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 111421467 is about 10555.6367406235. The cubic root of 111421467 is about 481.1970513062.

Adding to 111421467 its reverse (764124111), we get a palindrome (875545578).

The spelling of 111421467 in words is "one hundred eleven million, four hundred twenty-one thousand, four hundred sixty-seven".