120242511 has 6 divisors (see below), whose sum is σ = 173683640. Its totient is φ = 80161668.

The previous prime is 120242483. The next prime is 120242519. The reversal of 120242511 is 115242021.

It is not a de Polignac number, because 120242511 - 2¹⁰ = 120241487 is a prime.

It is a super-2 number, since 2×120242511² = 28916522903170242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120242519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6680131 + ... + 6680148.

Almost surely, 2^120242511 is an apocalyptic number.

120242511 is a deficient number, since it is larger than the sum of its proper divisors (53441129).

120242511 is a wasteful number, since it uses less digits than its factorization.

120242511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360285 (or 13360282 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 120242511 is about 10965.5146254063. The cubic root of 120242511 is about 493.5744599295.

Adding to 120242511 its reverse (115242021), we get a palindrome (235484532).

It can be divided in two parts, 12024 and 2511, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 120242511 in words is "one hundred twenty million, two hundred forty-two thousand, five hundred eleven".