120231115 has 4 divisors (see below), whose sum is σ = 144277344. Its totient is φ = 96184888.

The previous prime is 120231109. The next prime is 120231121. The reversal of 120231115 is 511132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511132021 = 7559 ⋅67619.

It is an interprime number because it is at equal distance from previous prime (120231109) and next prime (120231121).

It is a cyclic number.

It is not a de Polignac number, because 120231115 - 2¹³ = 120222923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12023107 + ... + 12023116.

It is an arithmetic number, because the mean of its divisors is an integer number (36069336).

Almost surely, 2^120231115 is an apocalyptic number.

120231115 is a deficient number, since it is larger than the sum of its proper divisors (24046229).

120231115 is an equidigital number, since it uses as much as digits as its factorization.

120231115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24046228.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 120231115 is about 10964.9949840390. The cubic root of 120231115 is about 493.5588665751.

Adding to 120231115 its reverse (511132021), we get a palindrome (631363136).

The spelling of 120231115 in words is "one hundred twenty million, two hundred thirty-one thousand, one hundred fifteen".