1011129241 has 2 divisors, whose sum is σ = 1011129242. Its totient is φ = 1011129240.

The previous prime is 1011129239. The next prime is 1011129269. The reversal of 1011129241 is 1429211101.

1011129241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982195600 + 28933641 = 31340^2 + 5379^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011129241 - 2¹ = 1011129239 is a prime.

Together with 1011129239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1012129241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505564620 + 505564621.

It is an arithmetic number, because the mean of its divisors is an integer number (505564621).

Almost surely, 2^1011129241 is an apocalyptic number.

It is an amenable number.

1011129241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011129241 is an equidigital number, since it uses as much as digits as its factorization.

1011129241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1011129241 is about 31798.2584586012. The cubic root of 1011129241 is about 1003.6960692416.

The spelling of 1011129241 in words is "one billion, eleven million, one hundred twenty-nine thousand, two hundred forty-one".