904281121 has 8 divisors (see below), whose sum is σ = 907756640. Its totient is φ = 900813312.

The previous prime is 904281109. The next prime is 904281137. The reversal of 904281121 is 121182409.

904281121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 904281121 - 2⁵ = 904281089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 904281121.

It is not an unprimeable number, because it can be changed into a prime (904285121) 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, 334945 + ... + 337633.

It is an arithmetic number, because the mean of its divisors is an integer number (113469580).

Almost surely, 2^904281121 is an apocalyptic number.

It is an amenable number.

904281121 is a deficient number, since it is larger than the sum of its proper divisors (3475519).

904281121 is a wasteful number, since it uses less digits than its factorization.

904281121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 904281121 is about 30071.2673660423. The cubic root of 904281121 is about 967.0178439615.

The spelling of 904281121 in words is "nine hundred four million, two hundred eighty-one thousand, one hundred twenty-one".