1261082468 has 6 divisors (see below), whose sum is σ = 2206894326. Its totient is φ = 630541232.

The previous prime is 1261082467. The next prime is 1261082513. The reversal of 1261082468 is 8642801621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1190388004 + 70694464 = 34502^2 + 8408^2 .

It is not an unprimeable number, because it can be changed into a prime (1261082467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157635305 + ... + 157635312.

It is an arithmetic number, because the mean of its divisors is an integer number (367815721).

Almost surely, 2^1261082468 is an apocalyptic number.

It is an amenable number.

1261082468 is a deficient number, since it is larger than the sum of its proper divisors (945811858).

1261082468 is a wasteful number, since it uses less digits than its factorization.

1261082468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315270621 (or 315270619 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 1261082468 is about 35511.7229658038. The cubic root of 1261082468 is about 1080.3915098631.

The spelling of 1261082468 in words is "one billion, two hundred sixty-one million, eighty-two thousand, four hundred sixty-eight".