1280960101 has 2 divisors, whose sum is σ = 1280960102. Its totient is φ = 1280960100.

The previous prime is 1280960077. The next prime is 1280960117. The reversal of 1280960101 is 1010690821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780364225 + 500595876 = 27935^2 + 22374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1280960101 - 2¹³ = 1280951909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1280960101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1280960201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640480050 + 640480051.

It is an arithmetic number, because the mean of its divisors is an integer number (640480051).

Almost surely, 2^1280960101 is an apocalyptic number.

It is an amenable number.

1280960101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280960101 is an equidigital number, since it uses as much as digits as its factorization.

1280960101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 1280960101 is about 35790.5029442169. The cubic root of 1280960101 is about 1086.0384491111.

The spelling of 1280960101 in words is "one billion, two hundred eighty million, nine hundred sixty thousand, one hundred one".