1114558261 has 2 divisors, whose sum is σ = 1114558262. Its totient is φ = 1114558260.

The previous prime is 1114558217. The next prime is 1114558271. The reversal of 1114558261 is 1628554111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114558225 + 36 = 33385^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114558261 - 2⁹ = 1114557749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114558271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557279130 + 557279131.

It is an arithmetic number, because the mean of its divisors is an integer number (557279131).

Almost surely, 2^1114558261 is an apocalyptic number.

It is an amenable number.

1114558261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114558261 is an equidigital number, since it uses as much as digits as its factorization.

1114558261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 34.

The square root of 1114558261 is about 33385.0005391643. Note that the first 3 decimals coincide. The cubic root of 1114558261 is about 1036.8141724927.

It can be divided in two parts, 111455 and 8261, that added together give a square (119716 = 346²).

The spelling of 1114558261 in words is "one billion, one hundred fourteen million, five hundred fifty-eight thousand, two hundred sixty-one".