19941125 has 16 divisors (see below), whose sum is σ = 25749360. Its totient is φ = 15400000.

The previous prime is 19941071. The next prime is 19941139. The reversal of 19941125 is 52114991.

It can be written as a sum of positive squares in 8 ways, for example, as 1399489 + 18541636 = 1183^2 + 4306^2 .

It is not a de Polignac number, because 19941125 - 2²² = 15746821 is a prime.

It is a super-3 number, since 3×19941125³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19941091 and 19941100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (1609335).

Almost surely, 2^19941125 is an apocalyptic number.

It is an amenable number.

19941125 is a deficient number, since it is larger than the sum of its proper divisors (5808235).

19941125 is an equidigital number, since it uses as much as digits as its factorization.

19941125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545 (or 5535 counting only the distinct ones).

The product of its digits is 3240, while the sum is 32.

The square root of 19941125 is about 4465.5486784941. The cubic root of 19941125 is about 271.1751476445.

The spelling of 19941125 in words is "nineteen million, nine hundred forty-one thousand, one hundred twenty-five".