475043121 has 24 divisors (see below), whose sum is σ = 830329344. Its totient is φ = 255484800.

The previous prime is 475043117. The next prime is 475043159. The reversal of 475043121 is 121340574.

It is not a de Polignac number, because 475043121 - 2² = 475043117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475042121) 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, 220705 + ... + 222846.

It is an arithmetic number, because the mean of its divisors is an integer number (34597056).

Almost surely, 2^475043121 is an apocalyptic number.

It is an amenable number.

475043121 is a deficient number, since it is larger than the sum of its proper divisors (355286223).

475043121 is a wasteful number, since it uses less digits than its factorization.

475043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443581 (or 443578 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 475043121 is about 21795.4839588388. The cubic root of 475043121 is about 780.2689851383.

Adding to 475043121 its reverse (121340574), we get a palindrome (596383695).

It can be divided in two parts, 47504 and 3121, that added together give a 4-th power (50625 = 15⁴).

The spelling of 475043121 in words is "four hundred seventy-five million, forty-three thousand, one hundred twenty-one".