897026121 has 12 divisors (see below), whose sum is σ = 1296014148. Its totient is φ = 597874464.

The previous prime is 897026111. The next prime is 897026177. The reversal of 897026121 is 121620798.

897026121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215032896 + 681993225 = 14664^2 + 26115^2 .

It is not a de Polignac number, because 897026121 - 2⁵ = 897026089 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (897026111) 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, 39511 + ... + 57923.

It is an arithmetic number, because the mean of its divisors is an integer number (108001179).

Almost surely, 2^897026121 is an apocalyptic number.

It is an amenable number.

897026121 is a deficient number, since it is larger than the sum of its proper divisors (398988027).

897026121 is a wasteful number, since it uses less digits than its factorization.

897026121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23832 (or 23829 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 897026121 is about 29950.3943379716. The cubic root of 897026121 is about 964.4247857455.

The spelling of 897026121 in words is "eight hundred ninety-seven million, twenty-six thousand, one hundred twenty-one".