5132121240 has 64 divisors (see below), whose sum is σ = 15591283200. Its totient is φ = 1351239552.

The previous prime is 5132121221. The next prime is 5132121287. The reversal of 5132121240 is 421212315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261202 + ... + 280161.

It is an arithmetic number, because the mean of its divisors is an integer number (243613800).

Almost surely, 2^5132121240 is an apocalyptic number.

It is an amenable number.

5132121240 is an abundant number, since it is smaller than the sum of its proper divisors (10459161960).

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

5132121240 is a wasteful number, since it uses less digits than its factorization.

5132121240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541456 (or 541452 counting only the distinct ones).

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

The square root of 5132121240 is about 71638.8249484873. The cubic root of 5132121240 is about 1724.9068061394.

Adding to 5132121240 its reverse (421212315), we get a palindrome (5553333555).

The spelling of 5132121240 in words is "five billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred forty".