1011041001 has 8 divisors (see below), whose sum is σ = 1497838560. Its totient is φ = 674027316.

The previous prime is 1011040963. The next prime is 1011041039. The reversal of 1011041001 is 1001401101.

It is an interprime number because it is at equal distance from previous prime (1011040963) and next prime (1011041039).

It is not a de Polignac number, because 1011041001 - 2⁶ = 1011040937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1011041071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18722955 + ... + 18723008.

It is an arithmetic number, because the mean of its divisors is an integer number (187229820).

Almost surely, 2^1011041001 is an apocalyptic number.

It is an amenable number.

1011041001 is a deficient number, since it is larger than the sum of its proper divisors (486797559).

1011041001 is an equidigital number, since it uses as much as digits as its factorization.

1011041001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37445972 (or 37445966 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1011041001 is about 31796.8709309580. The cubic root of 1011041001 is about 1003.6668712868. Note that the first 3 decimals are identical.

Adding to 1011041001 its reverse (1001401101), we get a palindrome (2012442102).

The spelling of 1011041001 in words is "one billion, eleven million, forty-one thousand, one".