1114421551 has 2 divisors, whose sum is σ = 1114421552. Its totient is φ = 1114421550.

The previous prime is 1114421549. The next prime is 1114421563. The reversal of 1114421551 is 1551244111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1114421551 - 2¹ = 1114421549 is a prime.

Together with 1114421549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114421501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557210775 + 557210776.

It is an arithmetic number, because the mean of its divisors is an integer number (557210776).

Almost surely, 2^1114421551 is an apocalyptic number.

1114421551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114421551 is an equidigital number, since it uses as much as digits as its factorization.

1114421551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 800, while the sum is 25.

The square root of 1114421551 is about 33382.9529999969. The cubic root of 1114421551 is about 1036.7717794161.

Adding to 1114421551 its reverse (1551244111), we get a palindrome (2665665662).

The spelling of 1114421551 in words is "one billion, one hundred fourteen million, four hundred twenty-one thousand, five hundred fifty-one".