500378121 has 32 divisors (see below), whose sum is σ = 777607680. Its totient is φ = 317634048.

The previous prime is 500378113. The next prime is 500378173. The reversal of 500378121 is 121873005.

500378121 is a `hidden beast` number, since 500 + 37 + 8 + 121 = 666.

It is not a de Polignac number, because 500378121 - 2³ = 500378113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (500378101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41625 + ... + 52281.

It is an arithmetic number, because the mean of its divisors is an integer number (24300240).

Almost surely, 2^500378121 is an apocalyptic number.

It is an amenable number.

500378121 is a deficient number, since it is larger than the sum of its proper divisors (277229559).

500378121 is a wasteful number, since it uses less digits than its factorization.

500378121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10750 (or 10744 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 500378121 is about 22369.1332196847. The cubic root of 500378121 is about 793.9005521276.

The spelling of 500378121 in words is "five hundred million, three hundred seventy-eight thousand, one hundred twenty-one".