120201438 has 64 divisors (see below), whose sum is σ = 281428992. Its totient is φ = 33519360.

The previous prime is 120201437. The next prime is 120201443. The reversal of 120201438 is 834102021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201437) 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 31 ways as a sum of consecutive naturals, for example, 515770 + ... + 516002.

It is an arithmetic number, because the mean of its divisors is an integer number (4397328).

Almost surely, 2^120201438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120201438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140714496).

120201438 is an abundant number, since it is smaller than the sum of its proper divisors (161227554).

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

120201438 is a wasteful number, since it uses less digits than its factorization.

120201438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 120201438 is about 10963.6416395284. The cubic root of 120201438 is about 493.5182543709.

Adding to 120201438 its reverse (834102021), we get a palindrome (954303459).

The spelling of 120201438 in words is "one hundred twenty million, two hundred one thousand, four hundred thirty-eight".