52022121 has 8 divisors (see below), whose sum is σ = 69909504. Its totient is φ = 34408080.

The previous prime is 52022101. The next prime is 52022161. The reversal of 52022121 is 12122025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52022121 - 2⁹ = 52021609 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52022121.

It is not an unprimeable number, because it can be changed into a prime (52022101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67890 + ... + 68651.

It is an arithmetic number, because the mean of its divisors is an integer number (8738688).

Almost surely, 2^52022121 is an apocalyptic number.

It is an amenable number.

52022121 is a deficient number, since it is larger than the sum of its proper divisors (17887383).

52022121 is a wasteful number, since it uses less digits than its factorization.

52022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136671.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 52022121 is about 7212.6362032200. The cubic root of 52022121 is about 373.3040356650.

Adding to 52022121 its reverse (12122025), we get a palindrome (64144146).

The spelling of 52022121 in words is "fifty-two million, twenty-two thousand, one hundred twenty-one".