120721041 has 24 divisors (see below), whose sum is σ = 209776320. Its totient is φ = 65352096.

The previous prime is 120721033. The next prime is 120721103. The reversal of 120721041 is 140127021.

It is not a de Polignac number, because 120721041 - 2³ = 120721033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120721241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49230 + ... + 51623.

It is an arithmetic number, because the mean of its divisors is an integer number (8740680).

Almost surely, 2^120721041 is an apocalyptic number.

It is an amenable number.

120721041 is a deficient number, since it is larger than the sum of its proper divisors (89055279).

120721041 is a wasteful number, since it uses less digits than its factorization.

120721041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100885 (or 100882 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 120721041 is about 10987.3127287795. The cubic root of 120721041 is about 494.2283538883.

Adding to 120721041 its reverse (140127021), we get a palindrome (260848062).

The spelling of 120721041 in words is "one hundred twenty million, seven hundred twenty-one thousand, forty-one".