501121105 has 16 divisors (see below), whose sum is σ = 634417920. Its totient is φ = 378943488.

The previous prime is 501121051. The next prime is 501121141.

501121105 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 501121105 - 2²³ = 492732497 is a prime.

It is a super-2 number, since 2×501121105² = 502244723752842050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38289 + ... + 49681.

It is an arithmetic number, because the mean of its divisors is an integer number (39651120).

Almost surely, 2^501121105 is an apocalyptic number.

It is an amenable number.

501121105 is a deficient number, since it is larger than the sum of its proper divisors (133296815).

501121105 is a wasteful number, since it uses less digits than its factorization.

501121105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11880.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 501121105 is about 22385.7344083235. The cubic root of 501121105 is about 794.2932975839.

The spelling of 501121105 in words is "five hundred one million, one hundred twenty-one thousand, one hundred five".