901278 has 48 divisors (see below), whose sum is σ = 2336256. Its totient is φ = 245520.

The previous prime is 901273. The next prime is 901279. The reversal of 901278 is 872109.

901278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2743 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (48672).

2⁹⁰¹²⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 901278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168128).

901278 is an abundant number, since it is smaller than the sum of its proper divisors (1434978).

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

901278 is a wasteful number, since it uses less digits than its factorization.

901278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 346 counting only the distinct ones).

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

The square root of 901278 is about 949.3566242461. The cubic root of 901278 is about 96.5946166772.

The spelling of 901278 in words is "nine hundred one thousand, two hundred seventy-eight".