120425550 has 48 divisors (see below), whose sum is σ = 341323392. Its totient is φ = 27525600.

The previous prime is 120425519. The next prime is 120425567. The reversal of 120425550 is 55524021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120425550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56296 + ... + 58395.

It is an arithmetic number, because the mean of its divisors is an integer number (7110904).

Almost surely, 2^120425550 is an apocalyptic number.

120425550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120425550 is an abundant number, since it is smaller than the sum of its proper divisors (220897842).

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

120425550 is a wasteful number, since it uses less digits than its factorization.

120425550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114713 (or 114708 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 120425550 is about 10973.8575715197. The cubic root of 120425550 is about 493.8247806407.

Adding to 120425550 its reverse (55524021), we get a palindrome (175949571).

The spelling of 120425550 in words is "one hundred twenty million, four hundred twenty-five thousand, five hundred fifty".