1120344155 has 16 divisors (see below), whose sum is σ = 1537505280. Its totient is φ = 767719392.

The previous prime is 1120344143. The next prime is 1120344161. The reversal of 1120344155 is 5514430211.

It is a cyclic number.

It is not a de Polignac number, because 1120344155 - 2¹⁸ = 1120082011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46286 + ... + 66204.

It is an arithmetic number, because the mean of its divisors is an integer number (96094080).

Almost surely, 2^1120344155 is an apocalyptic number.

1120344155 is a deficient number, since it is larger than the sum of its proper divisors (417161125).

1120344155 is a wasteful number, since it uses less digits than its factorization.

1120344155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21538.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1120344155 is about 33471.5424652047. The cubic root of 1120344155 is about 1038.6051798821.

Adding to 1120344155 its reverse (5514430211), we get a palindrome (6634774366).

The spelling of 1120344155 in words is "one billion, one hundred twenty million, three hundred forty-four thousand, one hundred fifty-five".