1112244155 has 8 divisors (see below), whose sum is σ = 1456028784. Its totient is φ = 808904800.

The previous prime is 1112244151. The next prime is 1112244179. The reversal of 1112244155 is 5514422111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112244155 - 2² = 1112244151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112244151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10111256 + ... + 10111365.

It is an arithmetic number, because the mean of its divisors is an integer number (182003598).

Almost surely, 2^1112244155 is an apocalyptic number.

1112244155 is a deficient number, since it is larger than the sum of its proper divisors (343784629).

1112244155 is a wasteful number, since it uses less digits than its factorization.

1112244155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222637.

The product of its digits is 1600, while the sum is 26.

The square root of 1112244155 is about 33350.3246610884. The cubic root of 1112244155 is about 1036.0961121284.

Adding to 1112244155 its reverse (5514422111), we get a palindrome (6626666266).

The spelling of 1112244155 in words is "one billion, one hundred twelve million, two hundred forty-four thousand, one hundred fifty-five".