901287 has 12 divisors (see below), whose sum is σ = 1350440. Its totient is φ = 600696.

The previous prime is 901279. The next prime is 901309. The reversal of 901287 is 782109.

901287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 901287 - 2³ = 901279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

901287 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 901287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612 + ... + 2097.

2⁹⁰¹²⁸⁷ is an apocalyptic number.

901287 is a deficient number, since it is larger than the sum of its proper divisors (449153).

901287 is an equidigital number, since it uses as much as digits as its factorization.

901287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724 (or 3712 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 901287 is about 949.3613642865. The cubic root of 901287 is about 96.5949382016.

The spelling of 901287 in words is "nine hundred one thousand, two hundred eighty-seven".