123201002 has 4 divisors (see below), whose sum is σ = 184801506. Its totient is φ = 61600500.

The previous prime is 123200999. The next prime is 123201011. The reversal of 123201002 is 200102321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200102321 = 113 ⋅1770817.

It can be written as a sum of positive squares in only one way, i.e., 121903681 + 1297321 = 11041^2 + 1139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30800249 + ... + 30800252.

Almost surely, 2^123201002 is an apocalyptic number.

123201002 is a deficient number, since it is larger than the sum of its proper divisors (61600504).

123201002 is an equidigital number, since it uses as much as digits as its factorization.

123201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61600503.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 123201002 is about 11099.5946772844. The cubic root of 123201002 is about 497.5897359237.

Adding to 123201002 its reverse (200102321), we get a palindrome (323303323).

The spelling of 123201002 in words is "one hundred twenty-three million, two hundred one thousand, two".