10721259 has 12 divisors (see below), whose sum is σ = 15535416. Its totient is φ = 7124832.

The previous prime is 10721219. The next prime is 10721261. The reversal of 10721259 is 95212701.

It is not a de Polignac number, because 10721259 - 2⁸ = 10721003 is a prime.

It is a super-2 number, since 2×10721259² = 229890789090162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10721219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (1294618).

Almost surely, 2^10721259 is an apocalyptic number.

10721259 is a deficient number, since it is larger than the sum of its proper divisors (4814157).

10721259 is a wasteful number, since it uses less digits than its factorization.

10721259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 10721259 is about 3274.3333672673. Note that the first 4 decimals coincide. The cubic root of 10721259 is about 220.5033858829.

The spelling of 10721259 in words is "ten million, seven hundred twenty-one thousand, two hundred fifty-nine".