1112122147 has 2 divisors, whose sum is σ = 1112122148. Its totient is φ = 1112122146.

The previous prime is 1112122103. The next prime is 1112122153. The reversal of 1112122147 is 7412212111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112122147 - 2⁷ = 1112122019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112122547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556061073 + 556061074.

It is an arithmetic number, because the mean of its divisors is an integer number (556061074).

Almost surely, 2^1112122147 is an apocalyptic number.

1112122147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112122147 is an equidigital number, since it uses as much as digits as its factorization.

1112122147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 22.

The square root of 1112122147 is about 33348.4954233321. The cubic root of 1112122147 is about 1036.0582257715.

Adding to 1112122147 its reverse (7412212111), we get a palindrome (8524334258).

The spelling of 1112122147 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred forty-seven".