123876901 has 2 divisors, whose sum is σ = 123876902. Its totient is φ = 123876900.

The previous prime is 123876889. The next prime is 123876911. The reversal of 123876901 is 109678321.

It is a Cunningham number, because it is equal to 11130²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123876900 + 1 = 11130^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123876901 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123876911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61938450 + 61938451.

It is an arithmetic number, because the mean of its divisors is an integer number (61938451).

Almost surely, 2^123876901 is an apocalyptic number.

It is an amenable number.

123876901 is a deficient number, since it is larger than the sum of its proper divisors (1).

123876901 is an equidigital number, since it uses as much as digits as its factorization.

123876901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 123876901 is about 11130.0000449236. Note that the first 4 decimals coincide. The cubic root of 123876901 is about 498.4980273407.

The spelling of 123876901 in words is "one hundred twenty-three million, eight hundred seventy-six thousand, nine hundred one".