10721148 has 12 divisors (see below), whose sum is σ = 25016040. Its totient is φ = 3573712.

The previous prime is 10721143. The next prime is 10721153. The reversal of 10721148 is 84112701.

It is an interprime number because it is at equal distance from previous prime (10721143) and next prime (10721153).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10721148² = 229886028875808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446703 + ... + 446726.

It is an arithmetic number, because the mean of its divisors is an integer number (2084670).

Almost surely, 2^10721148 is an apocalyptic number.

It is an amenable number.

10721148 is an abundant number, since it is smaller than the sum of its proper divisors (14294892).

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

10721148 is a wasteful number, since it uses less digits than its factorization.

10721148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893436 (or 893434 counting only the distinct ones).

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

The square root of 10721148 is about 3274.3164172083. The cubic root of 10721148 is about 220.5026249038.

Adding to 10721148 its reverse (84112701), we get a palindrome (94833849).

The spelling of 10721148 in words is "ten million, seven hundred twenty-one thousand, one hundred forty-eight".