1120438681 has 2 divisors, whose sum is σ = 1120438682. Its totient is φ = 1120438680.

The previous prime is 1120438639. The next prime is 1120438723. The reversal of 1120438681 is 1868340211.

It is a balanced prime because it is at equal distance from previous prime (1120438639) and next prime (1120438723).

It can be written as a sum of positive squares in only one way, i.e., 855270025 + 265168656 = 29245^2 + 16284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120438681 - 2¹¹ = 1120436633 is a prime.

It is a super-2 number, since 2×1120438681² = 2510765675762039522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1120438381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560219340 + 560219341.

It is an arithmetic number, because the mean of its divisors is an integer number (560219341).

Almost surely, 2^1120438681 is an apocalyptic number.

It is an amenable number.

1120438681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120438681 is an equidigital number, since it uses as much as digits as its factorization.

1120438681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1120438681 is about 33472.9544707365. The cubic root of 1120438681 is about 1038.6343888925.

Adding to 1120438681 its reverse (1868340211), we get a palindrome (2988778892).

The spelling of 1120438681 in words is "one billion, one hundred twenty million, four hundred thirty-eight thousand, six hundred eighty-one".