1120030261 has 16 divisors (see below), whose sum is σ = 1356445440. Its totient is φ = 902810880.

The previous prime is 1120030253. The next prime is 1120030283. The reversal of 1120030261 is 1620300211.

It is a cyclic number.

It is not a de Polignac number, because 1120030261 - 2³ = 1120030253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120031261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176695 + ... + 182923.

It is an arithmetic number, because the mean of its divisors is an integer number (84777840).

Almost surely, 2^1120030261 is an apocalyptic number.

It is an amenable number.

1120030261 is a deficient number, since it is larger than the sum of its proper divisors (236415179).

1120030261 is a wasteful number, since it uses less digits than its factorization.

1120030261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1120030261 is about 33466.8531684710. The cubic root of 1120030261 is about 1038.5081732660.

Adding to 1120030261 its reverse (1620300211), we get a palindrome (2740330472).

The spelling of 1120030261 in words is "one billion, one hundred twenty million, thirty thousand, two hundred sixty-one".