123200061 has 8 divisors (see below), whose sum is σ = 164362464. Its totient is φ = 82085520.

The previous prime is 123200059. The next prime is 123200131. The reversal of 123200061 is 160002321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123200061 - 2¹ = 123200059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123200061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200041) 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 in 7 ways as a sum of consecutive naturals, for example, 5451 + ... + 16616.

It is an arithmetic number, because the mean of its divisors is an integer number (20545308).

Almost surely, 2^123200061 is an apocalyptic number.

It is an amenable number.

123200061 is a deficient number, since it is larger than the sum of its proper divisors (41162403).

123200061 is a wasteful number, since it uses less digits than its factorization.

123200061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23931.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 123200061 is about 11099.5522882682. The cubic root of 123200061 is about 497.5884690694.

Adding to 123200061 its reverse (160002321), we get a palindrome (283202382).

The spelling of 123200061 in words is "one hundred twenty-three million, two hundred thousand, sixty-one".