1232111077 has 2 divisors, whose sum is σ = 1232111078. Its totient is φ = 1232111076.

The previous prime is 1232111053. The next prime is 1232111129. The reversal of 1232111077 is 7701112321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231027396 + 1083681 = 35086^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232111077 - 2²³ = 1223722469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232111047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616055538 + 616055539.

It is an arithmetic number, because the mean of its divisors is an integer number (616055539).

Almost surely, 2^1232111077 is an apocalyptic number.

It is an amenable number.

1232111077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232111077 is an equidigital number, since it uses as much as digits as its factorization.

1232111077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 1232111077 is about 35101.4398137740. The cubic root of 1232111077 is about 1072.0538990150.

Adding to 1232111077 its reverse (7701112321), we get a palindrome (8933223398).

The spelling of 1232111077 in words is "one billion, two hundred thirty-two million, one hundred eleven thousand, seventy-seven".