1280677061 has 8 divisors (see below), whose sum is σ = 1301025504. Its totient is φ = 1260365040.

The previous prime is 1280677051. The next prime is 1280677063. The reversal of 1280677061 is 1607760821.

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

It is a cyclic number.

It is not a de Polignac number, because 1280677061 - 2¹⁰ = 1280676037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280677063) 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, 66731 + ... + 83751.

It is an arithmetic number, because the mean of its divisors is an integer number (162628188).

Almost surely, 2^1280677061 is an apocalyptic number.

It is an amenable number.

1280677061 is a deficient number, since it is larger than the sum of its proper divisors (20348443).

1280677061 is a wasteful number, since it uses less digits than its factorization.

1280677061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18211.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 1280677061 is about 35786.5486041893. The cubic root of 1280677061 is about 1085.9584531337.

The spelling of 1280677061 in words is "one billion, two hundred eighty million, six hundred seventy-seven thousand, sixty-one".