123122002 has 4 divisors (see below), whose sum is σ = 184683006. Its totient is φ = 61561000.

The previous prime is 123121997. The next prime is 123122009. The reversal of 123122002 is 200221321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200221321 = 317 ⋅631613.

It can be written as a sum of positive squares in only one way, i.e., 101022601 + 22099401 = 10051^2 + 4701^2 .

It is a super-4 number, since 4×123122002⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (123122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30780499 + ... + 30780502.

Almost surely, 2^123122002 is an apocalyptic number.

123122002 is a deficient number, since it is larger than the sum of its proper divisors (61561004).

123122002 is an equidigital number, since it uses as much as digits as its factorization.

123122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61561003.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 123122002 is about 11096.0354181122. The cubic root of 123122002 is about 497.4833569342.

Adding to 123122002 its reverse (200221321), we get a palindrome (323343323).

The spelling of 123122002 in words is "one hundred twenty-three million, one hundred twenty-two thousand, two".