120135225554 has 16 divisors (see below), whose sum is σ = 180937018080. Its totient is φ = 59823308160.

The previous prime is 120135225527. The next prime is 120135225569. The reversal of 120135225554 is 455522531021.

It is a happy number.

120135225554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467657 + ... + 677475.

It is an arithmetic number, because the mean of its divisors is an integer number (11308563630).

Almost surely, 2^120135225554 is an apocalyptic number.

120135225554 is a deficient number, since it is larger than the sum of its proper divisors (60801792526).

120135225554 is a wasteful number, since it uses less digits than its factorization.

120135225554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210985.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 120135225554 its reverse (455522531021), we get a palindrome (575657756575).

The spelling of 120135225554 in words is "one hundred twenty billion, one hundred thirty-five million, two hundred twenty-five thousand, five hundred fifty-four".