5051287129 has 8 divisors (see below), whose sum is σ = 6112482048. Its totient is φ = 4074987840.

The previous prime is 5051287103. The next prime is 5051287139. The reversal of 5051287129 is 9217821505.

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

It is not a de Polignac number, because 5051287129 - 2⁷ = 5051287001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5051287091 and 5051287100.

It is not an unprimeable number, because it can be changed into a prime (5051287139) 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, 21223777 + ... + 21224014.

It is an arithmetic number, because the mean of its divisors is an integer number (764060256).

Almost surely, 2^5051287129 is an apocalyptic number.

It is an amenable number.

5051287129 is a deficient number, since it is larger than the sum of its proper divisors (1061194919).

5051287129 is a wasteful number, since it uses less digits than its factorization.

5051287129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42447815.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 5051287129 is about 71072.4076488197. The cubic root of 5051287129 is about 1715.8027197574.

It can be divided in two parts, 50512 and 87129, that added together give a square (137641 = 371²).

The spelling of 5051287129 in words is "five billion, fifty-one million, two hundred eighty-seven thousand, one hundred twenty-nine".