111234442 has 16 divisors (see below), whose sum is σ = 184216032. Its totient is φ = 49951120.

The previous prime is 111234427. The next prime is 111234457. The reversal of 111234442 is 244432111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111234427) and next prime (111234457).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28633 + ... + 32284.

It is an arithmetic number, because the mean of its divisors is an integer number (11513502).

Almost surely, 2^111234442 is an apocalyptic number.

111234442 is a deficient number, since it is larger than the sum of its proper divisors (72981590).

111234442 is a wasteful number, since it uses less digits than its factorization.

111234442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61013.

The product of its digits is 768, while the sum is 22.

The square root of 111234442 is about 10546.7740091461. The cubic root of 111234442 is about 480.9276649191.

Adding to 111234442 its reverse (244432111), we get a palindrome (355666553).

The spelling of 111234442 in words is "one hundred eleven million, two hundred thirty-four thousand, four hundred forty-two".