1113021041 has 24 divisors (see below), whose sum is σ = 1254235752. Its totient is φ = 986585600.

The previous prime is 1113021029. The next prime is 1113021047. The reversal of 1113021041 is 1401203111.

It can be written as a sum of positive squares in 4 ways, for example, as 409657600 + 703363441 = 20240^2 + 26521^2 .

It is not a de Polignac number, because 1113021041 - 2²² = 1108826737 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113021047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1262921 + ... + 1263801.

It is an arithmetic number, because the mean of its divisors is an integer number (52259823).

Almost surely, 2^1113021041 is an apocalyptic number.

1113021041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113021041 is a deficient number, since it is larger than the sum of its proper divisors (141214711).

1113021041 is a wasteful number, since it uses less digits than its factorization.

1113021041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1113021041 is about 33361.9699808030. The cubic root of 1113021041 is about 1036.3372885592.

Adding to 1113021041 its reverse (1401203111), we get a palindrome (2514224152).

The spelling of 1113021041 in words is "one billion, one hundred thirteen million, twenty-one thousand, forty-one".