1261046233 has 8 divisors (see below), whose sum is σ = 1268201088. Its totient is φ = 1253912304.

The previous prime is 1261046177. The next prime is 1261046239. The reversal of 1261046233 is 3326401621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1261046233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1261046239) 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, 124560 + ... + 134302.

It is an arithmetic number, because the mean of its divisors is an integer number (158525136).

Almost surely, 2^1261046233 is an apocalyptic number.

It is an amenable number.

1261046233 is a deficient number, since it is larger than the sum of its proper divisors (7154855).

1261046233 is an equidigital number, since it uses as much as digits as its factorization.

1261046233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10463.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1261046233 is about 35511.2127785014. The cubic root of 1261046233 is about 1080.3811620436.

Adding to 1261046233 its reverse (3326401621), we get a palindrome (4587447854).

The spelling of 1261046233 in words is "one billion, two hundred sixty-one million, forty-six thousand, two hundred thirty-three".