1280315841 has 32 divisors (see below), whose sum is σ = 2060771328. Its totient is φ = 691528320.

The previous prime is 1280315831. The next prime is 1280315851. The reversal of 1280315841 is 1485130821.

It is an interprime number because it is at equal distance from previous prime (1280315831) and next prime (1280315851).

It is not a de Polignac number, because 1280315841 - 2¹³ = 1280307649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1280315831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5125 + ... + 50861.

It is an arithmetic number, because the mean of its divisors is an integer number (64399104).

Almost surely, 2^1280315841 is an apocalyptic number.

It is an amenable number.

1280315841 is a deficient number, since it is larger than the sum of its proper divisors (780455487).

1280315841 is a wasteful number, since it uses less digits than its factorization.

1280315841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45821.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1280315841 is about 35781.5013799030. The cubic root of 1280315841 is about 1085.8563439160.

The spelling of 1280315841 in words is "one billion, two hundred eighty million, three hundred fifteen thousand, eight hundred forty-one".