901280 has 48 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 349440.

The previous prime is 901279. The next prime is 901309. The reversal of 901280 is 82109.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6815 + ... + 6945.

It is an arithmetic number, because the mean of its divisors is an integer number (45738).

2⁹⁰¹²⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 901280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097712).

901280 is an abundant number, since it is smaller than the sum of its proper divisors (1294144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

901280 is a wasteful number, since it uses less digits than its factorization.

901280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 901280 is about 949.3576775905. The cubic root of 901280 is about 96.5946881273.

Adding to 901280 its reverse (82109), we get a palindrome (983389).

The spelling of 901280 in words is "nine hundred one thousand, two hundred eighty".