1206152231 has 2 divisors, whose sum is σ = 1206152232. Its totient is φ = 1206152230.

The previous prime is 1206152197. The next prime is 1206152267. The reversal of 1206152231 is 1322516021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1322516021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1206152231 - 2³⁰ = 132410407 is a prime.

It is a super-2 number, since 2×1206152231² = 2909606408692554722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1206152197 and 1206152206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206052231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603076115 + 603076116.

It is an arithmetic number, because the mean of its divisors is an integer number (603076116).

Almost surely, 2^1206152231 is an apocalyptic number.

1206152231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206152231 is an equidigital number, since it uses as much as digits as its factorization.

1206152231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1206152231 is about 34729.7024317802. The cubic root of 1206152231 is about 1064.4715080847.

Adding to 1206152231 its reverse (1322516021), we get a palindrome (2528668252).

The spelling of 1206152231 in words is "one billion, two hundred six million, one hundred fifty-two thousand, two hundred thirty-one".