5121642 has 16 divisors (see below), whose sum is σ = 10265472. Its totient is φ = 1703520.

The previous prime is 5121631. The next prime is 5121643. The reversal of 5121642 is 2461215.

It is not an unprimeable number, because it can be changed into a prime (5121643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998 + ... + 5934.

It is an arithmetic number, because the mean of its divisors is an integer number (641592).

Almost surely, 2^5121642 is an apocalyptic number.

5121642 is an abundant number, since it is smaller than the sum of its proper divisors (5143830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121642 is a wasteful number, since it uses less digits than its factorization.

5121642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its digits is 480, while the sum is 21.

The square root of 5121642 is about 2263.1045048782. The cubic root of 5121642 is about 172.3731981383.

Adding to 5121642 its reverse (2461215), we get a palindrome (7582857).

The spelling of 5121642 in words is "five million, one hundred twenty-one thousand, six hundred forty-two".