123010961 has 2 divisors, whose sum is σ = 123010962. Its totient is φ = 123010960.

The previous prime is 123010949. The next prime is 123010967. The reversal of 123010961 is 169010321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87310336 + 35700625 = 9344^2 + 5975^2 .

It is a cyclic number.

It is not a de Polignac number, because 123010961 - 2¹⁸ = 122748817 is a prime.

It is a super-2 number, since 2×123010961² = 30263393052287042, which contains 22 as substring.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (123010967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505480 + 61505481.

It is an arithmetic number, because the mean of its divisors is an integer number (61505481).

Almost surely, 2^123010961 is an apocalyptic number.

It is an amenable number.

123010961 is a deficient number, since it is larger than the sum of its proper divisors (1).

123010961 is an equidigital number, since it uses as much as digits as its factorization.

123010961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 123010961 is about 11091.0306554441. The cubic root of 123010961 is about 497.3337555530. Note that the first 3 decimals are identical.

The spelling of 123010961 in words is "one hundred twenty-three million, ten thousand, nine hundred sixty-one".