1120240155 has 8 divisors (see below), whose sum is σ = 1792384272. Its totient is φ = 597461408.

The previous prime is 1120240153. The next prime is 1120240169. The reversal of 1120240155 is 5510420211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120240155 - 2¹ = 1120240153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120240151) 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, 37341324 + ... + 37341353.

It is an arithmetic number, because the mean of its divisors is an integer number (224048034).

Almost surely, 2^1120240155 is an apocalyptic number.

1120240155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1120240155 is a deficient number, since it is larger than the sum of its proper divisors (672144117).

1120240155 is an equidigital number, since it uses as much as digits as its factorization.

1120240155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74682685.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1120240155 is about 33469.9888706286. The cubic root of 1120240155 is about 1038.5730414597.

Adding to 1120240155 its reverse (5510420211), we get a palindrome (6630660366).

The spelling of 1120240155 in words is "one billion, one hundred twenty million, two hundred forty thousand, one hundred fifty-five".