1112225451 has 4 divisors (see below), whose sum is σ = 1482967272. Its totient is φ = 741483632.

The previous prime is 1112225449. The next prime is 1112225453. The reversal of 1112225451 is 1545222111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1545222111 = 3 ⋅515074037.

It is an interprime number because it is at equal distance from previous prime (1112225449) and next prime (1112225453).

It is a cyclic number.

It is not a de Polignac number, because 1112225451 - 2¹ = 1112225449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112225453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185370906 + ... + 185370911.

It is an arithmetic number, because the mean of its divisors is an integer number (370741818).

Almost surely, 2^1112225451 is an apocalyptic number.

1112225451 is a deficient number, since it is larger than the sum of its proper divisors (370741821).

1112225451 is an equidigital number, since it uses as much as digits as its factorization.

1112225451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370741820.

The product of its digits is 800, while the sum is 24.

The square root of 1112225451 is about 33350.0442428492. The cubic root of 1112225451 is about 1036.0903042758.

Adding to 1112225451 its reverse (1545222111), we get a palindrome (2657447562).

The spelling of 1112225451 in words is "one billion, one hundred twelve million, two hundred twenty-five thousand, four hundred fifty-one".