120213135 has 24 divisors (see below), whose sum is σ = 238137120. Its totient is φ = 54954432.

The previous prime is 120213089. The next prime is 120213139. The reversal of 120213135 is 531312021.

It is not a de Polignac number, because 120213135 - 2⁹ = 120212623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190500 + ... + 191129.

It is an arithmetic number, because the mean of its divisors is an integer number (9922380).

Almost surely, 2^120213135 is an apocalyptic number.

120213135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120213135 is a deficient number, since it is larger than the sum of its proper divisors (117923985).

120213135 is a wasteful number, since it uses less digits than its factorization.

120213135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381647 (or 381644 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 120213135 is about 10964.1750715683. The cubic root of 120213135 is about 493.5342622098.

Adding to 120213135 its reverse (531312021), we get a palindrome (651525156).

The spelling of 120213135 in words is "one hundred twenty million, two hundred thirteen thousand, one hundred thirty-five".