1120545551 has 2 divisors, whose sum is σ = 1120545552. Its totient is φ = 1120545550.

The previous prime is 1120545521. The next prime is 1120545563. The reversal of 1120545551 is 1555450211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120545551 - 2¹⁴ = 1120529167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120545521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560272775 + 560272776.

It is an arithmetic number, because the mean of its divisors is an integer number (560272776).

Almost surely, 2^1120545551 is an apocalyptic number.

1120545551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120545551 is an equidigital number, since it uses as much as digits as its factorization.

1120545551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 1120545551 is about 33474.5507960899. The cubic root of 1120545551 is about 1038.6674102826.

Adding to 1120545551 its reverse (1555450211), we get a palindrome (2675995762).

The spelling of 1120545551 in words is "one billion, one hundred twenty million, five hundred forty-five thousand, five hundred fifty-one".