1112020447 has 2 divisors, whose sum is σ = 1112020448. Its totient is φ = 1112020446.

The previous prime is 1112020397. The next prime is 1112020487. The reversal of 1112020447 is 7440202111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112020447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112020487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556010223 + 556010224.

It is an arithmetic number, because the mean of its divisors is an integer number (556010224).

Almost surely, 2^1112020447 is an apocalyptic number.

1112020447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112020447 is an equidigital number, since it uses as much as digits as its factorization.

1112020447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1112020447 is about 33346.9705820484. The cubic root of 1112020447 is about 1036.0266434092.

Adding to 1112020447 its reverse (7440202111), we get a palindrome (8552222558).

The spelling of 1112020447 in words is "one billion, one hundred twelve million, twenty thousand, four hundred forty-seven".