120872154 has 64 divisors (see below), whose sum is σ = 268007040. Its totient is φ = 36115200.

The previous prime is 120872111. The next prime is 120872197. The reversal of 120872154 is 451278021.

It is an interprime number because it is at equal distance from previous prime (120872111) and next prime (120872197).

It is a super-2 number, since 2×120872154² = 29220155225199432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527712 + ... + 527940.

It is an arithmetic number, because the mean of its divisors is an integer number (4187610).

Almost surely, 2^120872154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120872154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134003520).

120872154 is an abundant number, since it is smaller than the sum of its proper divisors (147134886).

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

120872154 is a wasteful number, since it uses less digits than its factorization.

120872154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 120872154 is about 10994.1872823779. The cubic root of 120872154 is about 494.4344852806.

It can be divided in two parts, 12087 and 2154, that added together give a palindrome (14241).

The spelling of 120872154 in words is "one hundred twenty million, eight hundred seventy-two thousand, one hundred fifty-four".