41121728 has 14 divisors (see below), whose sum is σ = 81601056. Its totient is φ = 20560832.

The previous prime is 41121721. The next prime is 41121733. The reversal of 41121728 is 82712114.

It is a junction number, because it is equal to n+sod(n) for n = 41121697 and 41121706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41121721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321200 + ... + 321327.

Almost surely, 2^41121728 is an apocalyptic number.

It is an amenable number.

41121728 is a deficient number, since it is larger than the sum of its proper divisors (40479328).

41121728 is an equidigital number, since it uses as much as digits as its factorization.

41121728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642539 (or 642529 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 41121728 is about 6412.6225524352. The cubic root of 41121728 is about 345.1626426303.

The spelling of 41121728 in words is "forty-one million, one hundred twenty-one thousand, seven hundred twenty-eight".