120131154 has 128 divisors (see below), whose sum is σ = 321269760. Its totient is φ = 32788800.

The previous prime is 120131111. The next prime is 120131159. The reversal of 120131154 is 451131021.

It is a super-2 number, since 2×120131154² = 28862988322743432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120131159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362769 + ... + 363099.

It is an arithmetic number, because the mean of its divisors is an integer number (2509920).

Almost surely, 2^120131154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120131154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160634880).

120131154 is an abundant number, since it is smaller than the sum of its proper divisors (201138606).

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

120131154 is a wasteful number, since it uses less digits than its factorization.

120131154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 120131154 is about 10960.4358489980. The cubic root of 120131154 is about 493.4220458719.

Adding to 120131154 its reverse (451131021), we get a palindrome (571262175).

The spelling of 120131154 in words is "one hundred twenty million, one hundred thirty-one thousand, one hundred fifty-four".