120131000 has 128 divisors (see below), whose sum is σ = 313148160. Its totient is φ = 42768000.

The previous prime is 120130999. The next prime is 120131023. The reversal of 120131000 is 131021.

It is a super-2 number, since 2×120131000² = 28862914322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

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 31 ways as a sum of consecutive naturals, for example, 736919 + ... + 737081.

It is an arithmetic number, because the mean of its divisors is an integer number (2446470).

Almost surely, 2^120131000 is an apocalyptic number.

120131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156574080).

120131000 is an abundant number, since it is smaller than the sum of its proper divisors (193017160).

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

120131000 is a wasteful number, since it uses less digits than its factorization.

120131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 120131000 is about 10960.4288237277. The cubic root of 120131000 is about 493.4218350272.

Adding to 120131000 its reverse (131021), we get a palindrome (120262021).

The spelling of 120131000 in words is "one hundred twenty million, one hundred thirty-one thousand".