472871121 has 4 divisors (see below), whose sum is σ = 630494832. Its totient is φ = 315247412.

The previous prime is 472871111. The next prime is 472871131. The reversal of 472871121 is 121178274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (472871111) and next prime (472871131).

It is a cyclic number.

It is not a de Polignac number, because 472871121 - 2⁶ = 472871057 is a prime.

It is a super-3 number, since 3×472871121³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (472871111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78811851 + ... + 78811856.

It is an arithmetic number, because the mean of its divisors is an integer number (157623708).

Almost surely, 2^472871121 is an apocalyptic number.

It is an amenable number.

472871121 is a deficient number, since it is larger than the sum of its proper divisors (157623711).

472871121 is a wasteful number, since it uses less digits than its factorization.

472871121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157623710.

The product of its digits is 6272, while the sum is 33.

The square root of 472871121 is about 21745.6000377088. The cubic root of 472871121 is about 779.0779818699.

The spelling of 472871121 in words is "four hundred seventy-two million, eight hundred seventy-one thousand, one hundred twenty-one".