411121242 has 48 divisors (see below), whose sum is σ = 1019578560. Its totient is φ = 117282816.

The previous prime is 411121241. The next prime is 411121253. The reversal of 411121242 is 242121114.

411121242 is a `hidden beast` number, since 411 + 1 + 212 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (411121241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94773 + ... + 99015.

It is an arithmetic number, because the mean of its divisors is an integer number (21241220).

Almost surely, 2^411121242 is an apocalyptic number.

411121242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

411121242 is an abundant number, since it is smaller than the sum of its proper divisors (608457318).

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

411121242 is a wasteful number, since it uses less digits than its factorization.

411121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027 (or 5024 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 411121242 is about 20276.1249256361. The cubic root of 411121242 is about 743.5724759367.

Subtracting from 411121242 its product of digits (128), we obtain a palindrome (411121114).

Adding to 411121242 its reverse (242121114), we get a palindrome (653242356).

The spelling of 411121242 in words is "four hundred eleven million, one hundred twenty-one thousand, two hundred forty-two".