5721126 has 8 divisors (see below), whose sum is σ = 11442264. Its totient is φ = 1907040.

The previous prime is 5721119. The next prime is 5721127. The reversal of 5721126 is 6211275.

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

5721126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5721096 and 5721105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721127) 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 3 ways as a sum of consecutive naturals, for example, 476755 + ... + 476766.

It is an arithmetic number, because the mean of its divisors is an integer number (1430283).

Almost surely, 2^5721126 is an apocalyptic number.

5721126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5721126 is a wasteful number, since it uses less digits than its factorization.

5721126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953526.

The product of its digits is 840, while the sum is 24.

The square root of 5721126 is about 2391.8875391623. The cubic root of 5721126 is about 178.8520150556.

The spelling of 5721126 in words is "five million, seven hundred twenty-one thousand, one hundred twenty-six".