1115126141 has 12 divisors (see below), whose sum is σ = 1154672316. Its totient is φ = 1076895360.

The previous prime is 1115126119. The next prime is 1115126161. The reversal of 1115126141 is 1416215111.

It can be written as a sum of positive squares in 2 ways, for example, as 406022500 + 709103641 = 20150^2 + 26629^2 .

It is not a de Polignac number, because 1115126141 - 2¹⁴ = 1115109757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115126161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626645 + ... + 628421.

It is an arithmetic number, because the mean of its divisors is an integer number (96222693).

Almost surely, 2^1115126141 is an apocalyptic number.

It is an amenable number.

1115126141 is a deficient number, since it is larger than the sum of its proper divisors (39546175).

1115126141 is an equidigital number, since it uses as much as digits as its factorization.

1115126141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492 (or 2461 counting only the distinct ones).

The product of its digits is 240, while the sum is 23.

The square root of 1115126141 is about 33393.5044731756. The cubic root of 1115126141 is about 1036.9902320981.

The spelling of 1115126141 in words is "one billion, one hundred fifteen million, one hundred twenty-six thousand, one hundred forty-one".