1203421125231 has 24 divisors (see below), whose sum is σ = 1872027677520. Its totient is φ = 740551314816.

The previous prime is 1203421125163. The next prime is 1203421125239. The reversal of 1203421125231 is 1325211243021.

It is a happy number.

1203421125231 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 421 + 1 + 2 + 5 + 231 = 666.

It is not a de Polignac number, because 1203421125231 - 2¹⁵ = 1203421092463 is a prime.

It is a super-2 number, since 2×1203421125231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203421125195 and 1203421125204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203421125239) 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, 8251915 + ... + 8396483.

It is an arithmetic number, because the mean of its divisors is an integer number (78001153230).

Almost surely, 2^{1203421125231} is an apocalyptic number.

1203421125231 is a deficient number, since it is larger than the sum of its proper divisors (668606552289).

1203421125231 is a wasteful number, since it uses less digits than its factorization.

1203421125231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215735 (or 215732 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1203421125231 its reverse (1325211243021), we get a palindrome (2528632368252).

The spelling of 1203421125231 in words is "one trillion, two hundred three billion, four hundred twenty-one million, one hundred twenty-five thousand, two hundred thirty-one".