5119721 has 8 divisors (see below), whose sum is σ = 5410080. Its totient is φ = 4831488.

The previous prime is 5119717. The next prime is 5119733. The reversal of 5119721 is 1279115.

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

It is a cyclic number.

It is not a de Polignac number, because 5119721 - 2² = 5119717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5119321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8585 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (676260).

Almost surely, 2^5119721 is an apocalyptic number.

It is an amenable number.

5119721 is a deficient number, since it is larger than the sum of its proper divisors (290359).

5119721 is a wasteful number, since it uses less digits than its factorization.

5119721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its digits is 630, while the sum is 26.

The square root of 5119721 is about 2262.6800480846. The cubic root of 5119721 is about 172.3516444828.

Subtracting from 5119721 its reverse (1279115), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5119721 in words is "five million, one hundred nineteen thousand, seven hundred twenty-one".