120503140 has 24 divisors (see below), whose sum is σ = 267943032. Its totient is φ = 45365760.

The previous prime is 120503093. The next prime is 120503147. The reversal of 120503140 is 41305021.

It can be written as a sum of positive squares in 4 ways, for example, as 48219136 + 72284004 = 6944^2 + 8502^2 .

It is not an unprimeable number, because it can be changed into a prime (120503147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176871 + ... + 177550.

It is an arithmetic number, because the mean of its divisors is an integer number (11164293).

Almost surely, 2^120503140 is an apocalyptic number.

120503140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120503140 is an abundant number, since it is smaller than the sum of its proper divisors (147439892).

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

120503140 is a wasteful number, since it uses less digits than its factorization.

120503140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354447 (or 354445 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120503140 is about 10977.3922221992. The cubic root of 120503140 is about 493.9308147249.

Adding to 120503140 its reverse (41305021), we get a palindrome (161808161).

The spelling of 120503140 in words is "one hundred twenty million, five hundred three thousand, one hundred forty".