1112209451 has 2 divisors, whose sum is σ = 1112209452. Its totient is φ = 1112209450.

The previous prime is 1112209433. The next prime is 1112209453. The reversal of 1112209451 is 1549022111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112209451 - 2⁶ = 1112209387 is a prime.

Together with 1112209453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112209451.

It is not a weakly prime, because it can be changed into another prime (1112209453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556104725 + 556104726.

It is an arithmetic number, because the mean of its divisors is an integer number (556104726).

Almost surely, 2^1112209451 is an apocalyptic number.

1112209451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112209451 is an equidigital number, since it uses as much as digits as its factorization.

1112209451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1112209451 is about 33349.8043622448. The cubic root of 1112209451 is about 1036.0853360012.

The spelling of 1112209451 in words is "one billion, one hundred twelve million, two hundred nine thousand, four hundred fifty-one".