120041409 has 4 divisors (see below), whose sum is σ = 160055216. Its totient is φ = 80027604.

The previous prime is 120041407. The next prime is 120041417. The reversal of 120041409 is 904140021.

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 not a de Polignac number, because 120041409 - 2¹ = 120041407 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120041407) 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, 20006899 + ... + 20006904.

It is an arithmetic number, because the mean of its divisors is an integer number (40013804).

Almost surely, 2^120041409 is an apocalyptic number.

It is an amenable number.

120041409 is a deficient number, since it is larger than the sum of its proper divisors (40013807).

120041409 is an equidigital number, since it uses as much as digits as its factorization.

120041409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40013806.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 120041409 is about 10956.3410406942. The cubic root of 120041409 is about 493.2991435501.

The spelling of 120041409 in words is "one hundred twenty million, forty-one thousand, four hundred nine".