501120490 has 48 divisors (see below), whose sum is σ = 992956536. Its totient is φ = 181958400.

The previous prime is 501120469. The next prime is 501120541. The reversal of 501120490 is 94021105.

It can be written as a sum of positive squares in 12 ways, for example, as 7436529 + 493683961 = 2727^2 + 22219^2 .

It is a super-2 number, since 2×501120490² = 502243490995680200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100660 + ... + 105520.

Almost surely, 2^501120490 is an apocalyptic number.

501120490 is a deficient number, since it is larger than the sum of its proper divisors (491836046).

501120490 is a wasteful number, since it uses less digits than its factorization.

501120490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 501120490 is about 22385.7206718926. The cubic root of 501120490 is about 794.2929726521.

Adding to 501120490 its reverse (94021105), we get a palindrome (595141595).

The spelling of 501120490 in words is "five hundred one million, one hundred twenty thousand, four hundred ninety".