5121987741 has 24 divisors (see below), whose sum is σ = 8224559616. Its totient is φ = 3050313120.

The previous prime is 5121987727. The next prime is 5121987751. The reversal of 5121987741 is 1477891215.

It is a happy number.

5121987741 is a `hidden beast` number, since 512 + 1 + 98 + 7 + 7 + 41 = 666.

It is not a de Polignac number, because 5121987741 - 2⁶ = 5121987677 is a prime.

It is a super-3 number, since 3×5121987741³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121987721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702465 + ... + 709718.

It is an arithmetic number, because the mean of its divisors is an integer number (342689984).

Almost surely, 2^5121987741 is an apocalyptic number.

It is an amenable number.

5121987741 is a deficient number, since it is larger than the sum of its proper divisors (3102571875).

5121987741 is a wasteful number, since it uses less digits than its factorization.

5121987741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412233 (or 1412230 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The square root of 5121987741 is about 71568.0636946397. The cubic root of 5121987741 is about 1723.7707678636.

The spelling of 5121987741 in words is "five billion, one hundred twenty-one million, nine hundred eighty-seven thousand, seven hundred forty-one".