1121423053 has 2 divisors, whose sum is σ = 1121423054. Its totient is φ = 1121423052.

The previous prime is 1121422999. The next prime is 1121423057. The reversal of 1121423053 is 3503241211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623151369 + 498271684 = 24963^2 + 22322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121423053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121423057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560711526 + 560711527.

It is an arithmetic number, because the mean of its divisors is an integer number (560711527).

Almost surely, 2^1121423053 is an apocalyptic number.

It is an amenable number.

1121423053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121423053 is an equidigital number, since it uses as much as digits as its factorization.

1121423053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1121423053 is about 33487.6552329362. The cubic root of 1121423053 is about 1038.9384672147.

Adding to 1121423053 its reverse (3503241211), we get a palindrome (4624664264).

The spelling of 1121423053 in words is "one billion, one hundred twenty-one million, four hundred twenty-three thousand, fifty-three".