123087077 has 2 divisors, whose sum is σ = 123087078. Its totient is φ = 123087076.

The previous prime is 123087067. The next prime is 123087103. The reversal of 123087077 is 770780321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107516161 + 15570916 = 10369^2 + 3946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123087077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123087017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61543538 + 61543539.

It is an arithmetic number, because the mean of its divisors is an integer number (61543539).

Almost surely, 2^123087077 is an apocalyptic number.

It is an amenable number.

123087077 is a deficient number, since it is larger than the sum of its proper divisors (1).

123087077 is an equidigital number, since it uses as much as digits as its factorization.

123087077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 123087077 is about 11094.4615461950. The cubic root of 123087077 is about 497.4363134894.

The spelling of 123087077 in words is "one hundred twenty-three million, eighty-seven thousand, seventy-seven".