120003240 has 256 divisors, whose sum is σ = 443289600. Its totient is φ = 25380864.

The previous prime is 120003229. The next prime is 120003281. The reversal of 120003240 is 42300021.

It is a super-2 number, since 2×120003240² = 28801555220995200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

120003240 is a modest number, since divided by 3240 gives 120 as remainder.

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 63 ways as a sum of consecutive naturals, for example, 1165029 + ... + 1165131.

It is an arithmetic number, because the mean of its divisors is an integer number (1731600).

Almost surely, 2^120003240 is an apocalyptic number.

120003240 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 120003240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221644800).

120003240 is an abundant number, since it is smaller than the sum of its proper divisors (323286360).

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

120003240 is a wasteful number, since it uses less digits than its factorization.

120003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120003240 is about 10954.5990341956. The cubic root of 120003240 is about 493.2468540079.

Adding to 120003240 its reverse (42300021), we get a palindrome (162303261).

The spelling of 120003240 in words is "one hundred twenty million, three thousand, two hundred forty".