202471121 has 8 divisors (see below), whose sum is σ = 205500960. Its totient is φ = 199448352.

The previous prime is 202471103. The next prime is 202471123. The reversal of 202471121 is 121174202.

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 202471121 - 2⁶ = 202471057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202471093 and 202471102.

It is not an unprimeable number, because it can be changed into a prime (202471123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 90806 + ... + 93008.

It is an arithmetic number, because the mean of its divisors is an integer number (25687620).

Almost surely, 2^202471121 is an apocalyptic number.

It is an amenable number.

202471121 is a deficient number, since it is larger than the sum of its proper divisors (3029839).

202471121 is a wasteful number, since it uses less digits than its factorization.

202471121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 202471121 is about 14229.2347299495. The cubic root of 202471121 is about 587.2022294253.

The spelling of 202471121 in words is "two hundred two million, four hundred seventy-one thousand, one hundred twenty-one".