5208017121 has 16 divisors (see below), whose sum is σ = 8051041920. Its totient is φ = 3321054000.

The previous prime is 5208017083. The next prime is 5208017123. The reversal of 5208017121 is 1217108025.

5208017121 is a `hidden beast` number, since 520 + 8 + 0 + 17 + 121 = 666.

It is not a de Polignac number, because 5208017121 - 2¹³ = 5208008929 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 (5208017123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4192630 + ... + 4193871.

It is an arithmetic number, because the mean of its divisors is an integer number (503190120).

Almost surely, 2^5208017121 is an apocalyptic number.

It is an amenable number.

5208017121 is a deficient number, since it is larger than the sum of its proper divisors (2843024799).

5208017121 is a wasteful number, since it uses less digits than its factorization.

5208017121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386533 (or 8386527 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 5208017121 is about 72166.5928321408. The cubic root of 5208017121 is about 1733.3681052648.

The spelling of 5208017121 in words is "five billion, two hundred eight million, seventeen thousand, one hundred twenty-one".