120101154 has 16 divisors (see below), whose sum is σ = 240565248. Its totient is φ = 39973232.

The previous prime is 120101153. The next prime is 120101159. The reversal of 120101154 is 451101021.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120101153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10722 + ... + 18845.

It is an arithmetic number, because the mean of its divisors is an integer number (15035328).

Almost surely, 2^120101154 is an apocalyptic number.

120101154 is an abundant number, since it is smaller than the sum of its proper divisors (120464094).

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

120101154 is a wasteful number, since it uses less digits than its factorization.

120101154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30249.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 120101154 is about 10959.0672048309. The cubic root of 120101154 is about 493.3809688399.

Adding to 120101154 its reverse (451101021), we get a palindrome (571202175).

The spelling of 120101154 in words is "one hundred twenty million, one hundred one thousand, one hundred fifty-four".