242101240 has 16 divisors (see below), whose sum is σ = 544727880. Its totient is φ = 96840480.

The previous prime is 242101219. The next prime is 242101241. The reversal of 242101240 is 42101242.

It is a super-2 number, since 2×242101240² = 117226020819075200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242101241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3026226 + ... + 3026305.

Almost surely, 2^242101240 is an apocalyptic number.

242101240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242101240 is an abundant number, since it is smaller than the sum of its proper divisors (302626640).

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

242101240 is a wasteful number, since it uses less digits than its factorization.

242101240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052542 (or 6052538 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 242101240 is about 15559.6028226944. The cubic root of 242101240 is about 623.2548564940.

Adding to 242101240 its reverse (42101242), we get a palindrome (284202482).

The spelling of 242101240 in words is "two hundred forty-two million, one hundred one thousand, two hundred forty".