122002243 has 24 divisors (see below), whose sum is σ = 138373200. Its totient is φ = 107448000.

The previous prime is 122002229. The next prime is 122002247. The reversal of 122002243 is 342200221.

It is a de Polignac number, because none of the positive numbers 2^k-122002243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122002247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818733 + ... + 818881.

It is an arithmetic number, because the mean of its divisors is an integer number (5765550).

Almost surely, 2^122002243 is an apocalyptic number.

122002243 is a deficient number, since it is larger than the sum of its proper divisors (16370957).

122002243 is a wasteful number, since it uses less digits than its factorization.

122002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 122002243 is about 11045.4625525598. The cubic root of 122002243 is about 495.9706058608.

Adding to 122002243 its reverse (342200221), we get a palindrome (464202464).

The spelling of 122002243 in words is "one hundred twenty-two million, two thousand, two hundred forty-three".