1115012141 has 2 divisors, whose sum is σ = 1115012142. Its totient is φ = 1115012140.

The previous prime is 1115012137. The next prime is 1115012159. The reversal of 1115012141 is 1412105111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816759241 + 298252900 = 28579^2 + 17270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115012141 - 2² = 1115012137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115012441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557506070 + 557506071.

It is an arithmetic number, because the mean of its divisors is an integer number (557506071).

Almost surely, 2^1115012141 is an apocalyptic number.

It is an amenable number.

1115012141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115012141 is an equidigital number, since it uses as much as digits as its factorization.

1115012141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1115012141 is about 33391.7975107660. The cubic root of 1115012141 is about 1036.9548935204.

Adding to 1115012141 its reverse (1412105111), we get a palindrome (2527117252).

The spelling of 1115012141 in words is "one billion, one hundred fifteen million, twelve thousand, one hundred forty-one".