901072 has 20 divisors (see below), whose sum is σ = 1760800. Its totient is φ = 446688.

The previous prime is 901067. The next prime is 901079. The reversal of 901072 is 270109.

It is an Ulam number.

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 (901079) by changing a digit.

901072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3043 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (88040).

2⁹⁰¹⁰⁷² is an apocalyptic number.

It is an amenable number.

901072 is a deficient number, since it is larger than the sum of its proper divisors (859728).

901072 is a wasteful number, since it uses less digits than its factorization.

901072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 901072 is about 949.2481235167. The cubic root of 901072 is about 96.5872567553.

It can be divided in two parts, 90107 and 2, that added together give a palindrome (90109).

The spelling of 901072 in words is "nine hundred one thousand, seventy-two".