1203142231 has 8 divisors (see below), whose sum is σ = 1206754560. Its totient is φ = 1199536632.

The previous prime is 1203142201. The next prime is 1203142261. The reversal of 1203142231 is 1322413021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1203142201) and next prime (1203142261).

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

It is a cyclic number.

It is not a de Polignac number, because 1203142231 - 2¹⁵ = 1203109463 is a prime.

It is a super-2 number, since 2×1203142231² = 2895102456031314722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203142199 and 1203142208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203142201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844786 + ... + 846208.

It is an arithmetic number, because the mean of its divisors is an integer number (150844320).

Almost surely, 2^1203142231 is an apocalyptic number.

1203142231 is a deficient number, since it is larger than the sum of its proper divisors (3612329).

1203142231 is a wasteful number, since it uses less digits than its factorization.

1203142231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

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

The square root of 1203142231 is about 34686.3406977444. The cubic root of 1203142231 is about 1063.5852937404.

Adding to 1203142231 its reverse (1322413021), we get a palindrome (2525555252).

The spelling of 1203142231 in words is "one billion, two hundred three million, one hundred forty-two thousand, two hundred thirty-one".