120145254 has 32 divisors (see below), whose sum is σ = 248555520. Its totient is φ = 38692992.

The previous prime is 120145247. The next prime is 120145279. The reversal of 120145254 is 452541021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19582 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (7767360).

Almost surely, 2^120145254 is an apocalyptic number.

120145254 is an abundant number, since it is smaller than the sum of its proper divisors (128410266).

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

120145254 is a wasteful number, since it uses less digits than its factorization.

120145254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 120145254 is about 10961.0790527210. The cubic root of 120145254 is about 493.4413497145.

Adding to 120145254 its reverse (452541021), we get a palindrome (572686275).

The spelling of 120145254 in words is "one hundred twenty million, one hundred forty-five thousand, two hundred fifty-four".