10148721 has 8 divisors (see below), whose sum is σ = 14761824. Its totient is φ = 6150720.

The previous prime is 10148707. The next prime is 10148729. The reversal of 10148721 is 12784101.

10148721 is digitally balanced in base 3, because in such base 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 not a de Polignac number, because 10148721 - 2⁹ = 10148209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10148691 and 10148700.

It is not an unprimeable number, because it can be changed into a prime (10148729) 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, 153736 + ... + 153801.

It is an arithmetic number, because the mean of its divisors is an integer number (1845228).

Almost surely, 2^10148721 is an apocalyptic number.

10148721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10148721 is a deficient number, since it is larger than the sum of its proper divisors (4613103).

10148721 is a wasteful number, since it uses less digits than its factorization.

10148721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307551.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 10148721 is about 3185.7057302896. The cubic root of 10148721 is about 216.5062499640.

The spelling of 10148721 in words is "ten million, one hundred forty-eight thousand, seven hundred twenty-one".