202421141 has 8 divisors (see below), whose sum is σ = 223309464. Its totient is φ = 182292480.

The previous prime is 202421123. The next prime is 202421171. The reversal of 202421141 is 141124202.

It can be written as a sum of positive squares in 4 ways, for example, as 4906225 + 197514916 = 2215^2 + 14054^2 .

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 202421141 - 2⁶ = 202421077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189356 + ... + 190421.

It is an arithmetic number, because the mean of its divisors is an integer number (27913683).

Almost surely, 2^202421141 is an apocalyptic number.

It is an amenable number.

202421141 is a deficient number, since it is larger than the sum of its proper divisors (20888323).

202421141 is a wasteful number, since it uses less digits than its factorization.

202421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379831.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 202421141 is about 14227.4783781245. The cubic root of 202421141 is about 587.1539084887.

Adding to 202421141 its reverse (141124202), we get a palindrome (343545343).

The spelling of 202421141 in words is "two hundred two million, four hundred twenty-one thousand, one hundred forty-one".