120232040521 has 4 divisors (see below), whose sum is σ = 120232961812. Its totient is φ = 120231119232.

The previous prime is 120232040519. The next prime is 120232040561. The reversal of 120232040521 is 125040232021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 43647566400 + 76584474121 = 208920^2 + 276739^2 .

It is a cyclic number.

It is not a de Polignac number, because 120232040521 - 2¹ = 120232040519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120232040492 and 120232040501.

It is not an unprimeable number, because it can be changed into a prime (120232040561) 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, 224556 + ... + 539341.

It is an arithmetic number, because the mean of its divisors is an integer number (30058240453).

Almost surely, 2^120232040521 is an apocalyptic number.

It is an amenable number.

120232040521 is a deficient number, since it is larger than the sum of its proper divisors (921291).

120232040521 is an equidigital number, since it uses as much as digits as its factorization.

120232040521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921290.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 120232040521 its reverse (125040232021), we get a palindrome (245272272542).

The spelling of 120232040521 in words is "one hundred twenty billion, two hundred thirty-two million, forty thousand, five hundred twenty-one".