10601921 has 4 divisors (see below), whose sum is σ = 11565744. Its totient is φ = 9638100.

The previous prime is 10601917. The next prime is 10601939. The reversal of 10601921 is 12910601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10601921 - 2² = 10601917 is a prime.

It is a super-2 number, since 2×10601921² = 224801457780482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10601893 and 10601902.

It is not an unprimeable number, because it can be changed into a prime (10601971) 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, 481895 + ... + 481916.

It is an arithmetic number, because the mean of its divisors is an integer number (2891436).

Almost surely, 2^10601921 is an apocalyptic number.

10601921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10601921 is a deficient number, since it is larger than the sum of its proper divisors (963823).

10601921 is an equidigital number, since it uses as much as digits as its factorization.

10601921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963822.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 10601921 is about 3256.0591210849. The cubic root of 10601921 is about 219.6821926384.

The spelling of 10601921 in words is "ten million, six hundred one thousand, nine hundred twenty-one".