241143021 has 16 divisors (see below), whose sum is σ = 408284800. Its totient is φ = 137795904.

The previous prime is 241143013. The next prime is 241143029. The reversal of 241143021 is 120341142.

It is an interprime number because it is at equal distance from previous prime (241143013) and next prime (241143029).

It is not a de Polignac number, because 241143021 - 2³ = 241143013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241142985 and 241143003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241143029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637756 + ... + 638133.

It is an arithmetic number, because the mean of its divisors is an integer number (25517800).

Almost surely, 2^241143021 is an apocalyptic number.

241143021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

241143021 is a deficient number, since it is larger than the sum of its proper divisors (167141779).

241143021 is a wasteful number, since it uses less digits than its factorization.

241143021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275905 (or 1275899 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 241143021 is about 15528.7804092916. The cubic root of 241143021 is about 622.4315035680.

Adding to 241143021 its reverse (120341142), we get a palindrome (361484163).

The spelling of 241143021 in words is "two hundred forty-one million, one hundred forty-three thousand, twenty-one".