10972421 has 2 divisors, whose sum is σ = 10972422. Its totient is φ = 10972420.

The previous prime is 10972417. The next prime is 10972427. The reversal of 10972421 is 12427901.

10972421 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., 10048900 + 923521 = 3170^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 10972421 - 2² = 10972417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10972427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5486210 + 5486211.

It is an arithmetic number, because the mean of its divisors is an integer number (5486211).

Almost surely, 2^10972421 is an apocalyptic number.

It is an amenable number.

10972421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10972421 is an equidigital number, since it uses as much as digits as its factorization.

10972421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10972421 is about 3312.4644903757. The cubic root of 10972421 is about 222.2119894270.

The spelling of 10972421 in words is "ten million, nine hundred seventy-two thousand, four hundred twenty-one".