10721401 has 2 divisors, whose sum is σ = 10721402. Its totient is φ = 10721400.

The previous prime is 10721393. The next prime is 10721413. The reversal of 10721401 is 10412701.

10721401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9954025 + 767376 = 3155^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 10721401 - 2³ = 10721393 is a prime.

It is a super-2 number, since 2×10721401² = 229896878805602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10721461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360700 + 5360701.

It is an arithmetic number, because the mean of its divisors is an integer number (5360701).

Almost surely, 2^10721401 is an apocalyptic number.

It is an amenable number.

10721401 is a deficient number, since it is larger than the sum of its proper divisors (1).

10721401 is an equidigital number, since it uses as much as digits as its factorization.

10721401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 10721401 is about 3274.3550509986. The cubic root of 10721401 is about 220.5043593799.

The spelling of 10721401 in words is "ten million, seven hundred twenty-one thousand, four hundred one".