1291052841 has 16 divisors (see below), whose sum is σ = 1856473920. Its totient is φ = 793356480.

The previous prime is 1291052837. The next prime is 1291052863. The reversal of 1291052841 is 1482501921.

It is not a de Polignac number, because 1291052841 - 2² = 1291052837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1291052821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4306 + ... + 50996.

It is an arithmetic number, because the mean of its divisors is an integer number (116029620).

Almost surely, 2^1291052841 is an apocalyptic number.

It is an amenable number.

1291052841 is a deficient number, since it is larger than the sum of its proper divisors (565421079).

1291052841 is a wasteful number, since it uses less digits than its factorization.

1291052841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47416.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1291052841 is about 35931.2237615142. The cubic root of 1291052841 is about 1088.8833051872.

The spelling of 1291052841 in words is "one billion, two hundred ninety-one million, fifty-two thousand, eight hundred forty-one".