123107077 has 2 divisors, whose sum is σ = 123107078. Its totient is φ = 123107076.

The previous prime is 123107057. The next prime is 123107087. The reversal of 123107077 is 770701321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71927361 + 51179716 = 8481^2 + 7154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123107077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123107027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61553538 + 61553539.

It is an arithmetic number, because the mean of its divisors is an integer number (61553539).

Almost surely, 2^123107077 is an apocalyptic number.

It is an amenable number.

123107077 is a deficient number, since it is larger than the sum of its proper divisors (1).

123107077 is an equidigital number, since it uses as much as digits as its factorization.

123107077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 123107077 is about 11095.3628602223. The cubic root of 123107077 is about 497.4632542745.

Adding to 123107077 its reverse (770701321), we get a palindrome (893808398).

The spelling of 123107077 in words is "one hundred twenty-three million, one hundred seven thousand, seventy-seven".