120143154 has 8 divisors (see below), whose sum is σ = 240286320. Its totient is φ = 40047716.

The previous prime is 120143141. The next prime is 120143159. The reversal of 120143154 is 451341021.

It is a sphenic number, since it is the product of 3 distinct primes.

120143154 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 120143154.

It is not an unprimeable number, because it can be changed into a prime (120143159) 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, 10011924 + ... + 10011935.

It is an arithmetic number, because the mean of its divisors is an integer number (30035790).

Almost surely, 2^120143154 is an apocalyptic number.

120143154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120143154 is a wasteful number, since it uses less digits than its factorization.

120143154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023864.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120143154 is about 10960.9832588140. The cubic root of 120143154 is about 493.4384747698.

Adding to 120143154 its reverse (451341021), we get a palindrome (571484175).

The spelling of 120143154 in words is "one hundred twenty million, one hundred forty-three thousand, one hundred fifty-four".