501241122 has 30 divisors (see below), whose sum is σ = 1123790283. Its totient is φ = 166985388.

The previous prime is 501241079. The next prime is 501241123. The reversal of 501241122 is 221142105.

501241122 is a `hidden beast` number, since 501 + 2 + 41 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 250620561 + 250620561 = 15831^2 + 15831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=15831.

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

It is a junction number, because it is equal to n+sod(n) for n = 501241095 and 501241104.

It is not an unprimeable number, because it can be changed into a prime (501241123) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 284079 + ... + 285837.

Almost surely, 2^501241122 is an apocalyptic number.

501241122 is an abundant number, since it is smaller than the sum of its proper divisors (622549161).

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

501241122 is an frugal number, since it uses more digits than its factorization.

501241122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 501241122 is about 22388.4149059285. The cubic root of 501241122 is about 794.3567028090.

Multiplying 501241122 by its sum of digits (18), we get a square (9022340196 = 94986²).

501241122 divided by its sum of digits (18) gives a square (27846729 = 5277²).

Adding to 501241122 its reverse (221142105), we get a palindrome (722383227).

The spelling of 501241122 in words is "five hundred one million, two hundred forty-one thousand, one hundred twenty-two".