1230334261 has 4 divisors (see below), whose sum is σ = 1324975372. Its totient is φ = 1135693152.

The previous prime is 1230334253. The next prime is 1230334283. The reversal of 1230334261 is 1624330321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330694225 + 899640036 = 18185^2 + 29994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230334261 - 2³ = 1230334253 is a prime.

It is a super-2 number, since 2×1230334261² = 3027444787580832242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230334201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47320536 + ... + 47320561.

It is an arithmetic number, because the mean of its divisors is an integer number (331243843).

Almost surely, 2^1230334261 is an apocalyptic number.

It is an amenable number.

1230334261 is a deficient number, since it is larger than the sum of its proper divisors (94641111).

1230334261 is an equidigital number, since it uses as much as digits as its factorization.

1230334261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94641110.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1230334261 is about 35076.1209514393. The cubic root of 1230334261 is about 1071.5383180899.

Adding to 1230334261 its reverse (1624330321), we get a palindrome (2854664582).

It can be divided in two parts, 12303 and 34261, that added together give a palindrome (46564).

The spelling of 1230334261 in words is "one billion, two hundred thirty million, three hundred thirty-four thousand, two hundred sixty-one".