241221140 has 24 divisors (see below), whose sum is σ = 506967552. Its totient is φ = 96411680.

The previous prime is 241221139. The next prime is 241221161. The reversal of 241221140 is 41122142.

It is a congruent number.

It is an unprimeable number.

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, 25685 + ... + 33795.

It is an arithmetic number, because the mean of its divisors is an integer number (21123648).

Almost surely, 2^241221140 is an apocalyptic number.

241221140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241221140 is an abundant number, since it is smaller than the sum of its proper divisors (265746412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

241221140 is a wasteful number, since it uses less digits than its factorization.

241221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607 (or 9605 counting only the distinct ones).

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

The square root of 241221140 is about 15531.2955029515. The cubic root of 241221140 is about 622.4987091579.

Adding to 241221140 its reverse (41122142), we get a palindrome (282343282).

The spelling of 241221140 in words is "two hundred forty-one million, two hundred twenty-one thousand, one hundred forty".