120434552128 has 56 divisors (see below), whose sum is σ = 261099568224. Its totient is φ = 54661900800.

The previous prime is 120434552093. The next prime is 120434552131. The reversal of 120434552128 is 821255434021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350263 + ... + 602953.

Almost surely, 2^120434552128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120434552128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130549784112).

120434552128 is an abundant number, since it is smaller than the sum of its proper divisors (140665016096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120434552128 is a wasteful number, since it uses less digits than its factorization.

120434552128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253391 (or 253381 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 120434552128 its reverse (821255434021), we get a palindrome (941689986149).

The spelling of 120434552128 in words is "one hundred twenty billion, four hundred thirty-four million, five hundred fifty-two thousand, one hundred twenty-eight".