123062161 has 4 divisors (see below), whose sum is σ = 123084352. Its totient is φ = 123039972.

The previous prime is 123062123. The next prime is 123062179. The reversal of 123062161 is 161260321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 161260321 = 181 ⋅890941.

It is a cyclic number.

It is not a de Polignac number, because 123062161 - 2⁹ = 123061649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123062461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (30771088).

Almost surely, 2^123062161 is an apocalyptic number.

It is an amenable number.

123062161 is a deficient number, since it is larger than the sum of its proper divisors (22191).

123062161 is a wasteful number, since it uses less digits than its factorization.

123062161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22190.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 123062161 is about 11093.3385867375. The cubic root of 123062161 is about 497.4027465765.

The spelling of 123062161 in words is "one hundred twenty-three million, sixty-two thousand, one hundred sixty-one".