1280162 has 16 divisors (see below), whose sum is σ = 2109240. Its totient is φ = 579072.

The previous prime is 1280161. The next prime is 1280173. The reversal of 1280162 is 2610821.

It can be written as a sum of positive squares in 4 ways, for example, as 625681 + 654481 = 791^2 + 809^2 .

It is a super-4 number, since 4×1280162⁴ (a number of 26 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1280161) 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, 914 + ... + 1842.

2^1280162 is an apocalyptic number.

1280162 is a deficient number, since it is larger than the sum of its proper divisors (829078).

1280162 is a wasteful number, since it uses less digits than its factorization.

1280162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1280162 is about 1131.4424421949. The cubic root of 1280162 is about 108.5812850503.

Adding to 1280162 its reverse (2610821), we get a palindrome (3890983).

The spelling of 1280162 in words is "one million, two hundred eighty thousand, one hundred sixty-two".