901289 has 4 divisors (see below), whose sum is σ = 954324. Its totient is φ = 848256.

The previous prime is 901279. The next prime is 901309. The reversal of 901289 is 982109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982109 = 373 ⋅2633.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 105625 = 892^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 901289 - 2⁴ = 901273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26492 + ... + 26525.

It is an arithmetic number, because the mean of its divisors is an integer number (238581).

2⁹⁰¹²⁸⁹ is an apocalyptic number.

It is an amenable number.

901289 is a deficient number, since it is larger than the sum of its proper divisors (53035).

901289 is a wasteful number, since it uses less digits than its factorization.

901289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53034.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 901289 is about 949.3624176256. The cubic root of 901289 is about 96.5950096512.

The spelling of 901289 in words is "nine hundred one thousand, two hundred eighty-nine".