10721459 has 8 divisors (see below), whose sum is σ = 12552288. Its totient is φ = 8965440.

The previous prime is 10721419. The next prime is 10721461. The reversal of 10721459 is 95412701.

10721459 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10721459 is a prime.

It is a super-2 number, since 2×10721459² = 229899366177362, which contains 22 as substring.

10721459 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (10721419) 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, 18392 + ... + 18965.

It is an arithmetic number, because the mean of its divisors is an integer number (1569036).

Almost surely, 2^10721459 is an apocalyptic number.

10721459 is a deficient number, since it is larger than the sum of its proper divisors (1830829).

10721459 is an equidigital number, since it uses as much as digits as its factorization.

10721459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37405.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 10721459 is about 3274.3639076926. The cubic root of 10721459 is about 220.5047570030.

The spelling of 10721459 in words is "ten million, seven hundred twenty-one thousand, four hundred fifty-nine".