123094549 has 2 divisors, whose sum is σ = 123094550. Its totient is φ = 123094548.

The previous prime is 123094547. The next prime is 123094577. The reversal of 123094549 is 945490321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83631025 + 39463524 = 9145^2 + 6282^2 .

It is a cyclic number.

It is not a de Polignac number, because 123094549 - 2¹ = 123094547 is a prime.

Together with 123094547, it forms a pair of twin primes.

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 (123094547) 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, 61547274 + 61547275.

It is an arithmetic number, because the mean of its divisors is an integer number (61547275).

Almost surely, 2^123094549 is an apocalyptic number.

It is an amenable number.

123094549 is a deficient number, since it is larger than the sum of its proper divisors (1).

123094549 is an equidigital number, since it uses as much as digits as its factorization.

123094549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 123094549 is about 11094.7982856833. The cubic root of 123094549 is about 497.4463789081.

The spelling of 123094549 in words is "one hundred twenty-three million, ninety-four thousand, five hundred forty-nine".