120231450 has 72 divisors (see below), whose sum is σ = 324316668. Its totient is φ = 31933440.

The previous prime is 120231437. The next prime is 120231451. The reversal of 120231450 is 54132021.

It can be written as a sum of positive squares in 6 ways, for example, as 43125489 + 77105961 = 6567^2 + 8781^2 .

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 (120231451) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 178314 + ... + 178986.

Almost surely, 2^120231450 is an apocalyptic number.

120231450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120231450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162158334).

120231450 is an abundant number, since it is smaller than the sum of its proper divisors (204085218).

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

120231450 is a wasteful number, since it uses less digits than its factorization.

120231450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120231450 is about 10965.0102599131. The cubic root of 120231450 is about 493.5593249758.

Adding to 120231450 its reverse (54132021), we get a palindrome (174363471).

The spelling of 120231450 in words is "one hundred twenty million, two hundred thirty-one thousand, four hundred fifty".