1231134202 has 8 divisors (see below), whose sum is σ = 1926992736. Its totient is φ = 588803292.

The previous prime is 1231134143. The next prime is 1231134221. The reversal of 1231134202 is 2024311321.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1231134202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13381848 + ... + 13381939.

It is an arithmetic number, because the mean of its divisors is an integer number (240874092).

Almost surely, 2^1231134202 is an apocalyptic number.

1231134202 is a deficient number, since it is larger than the sum of its proper divisors (695858534).

1231134202 is a wasteful number, since it uses less digits than its factorization.

1231134202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26763812.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1231134202 is about 35087.5220270683. The cubic root of 1231134202 is about 1071.7704993641.

Adding to 1231134202 its reverse (2024311321), we get a palindrome (3255445523).

The spelling of 1231134202 in words is "one billion, two hundred thirty-one million, one hundred thirty-four thousand, two hundred two".