1001117269 has 4 divisors (see below), whose sum is σ = 1001276640. Its totient is φ = 1000957900.

The previous prime is 1001117261. The next prime is 1001117287. The reversal of 1001117269 is 9627111001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9627111001 = 67079 ⋅143519.

It is a cyclic number.

It is not a de Polignac number, because 1001117269 - 2³ = 1001117261 is a prime.

It is a super-2 number, since 2×1001117269² = 2004471572580036722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001117261) 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 3 ways as a sum of consecutive naturals, for example, 69859 + ... + 82960.

It is an arithmetic number, because the mean of its divisors is an integer number (250319160).

Almost surely, 2^1001117269 is an apocalyptic number.

It is an amenable number.

1001117269 is a deficient number, since it is larger than the sum of its proper divisors (159371).

1001117269 is an equidigital number, since it uses as much as digits as its factorization.

1001117269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159370.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 1001117269 is about 31640.4372441343. The cubic root of 1001117269 is about 1000.3722843871.

The spelling of 1001117269 in words is "one billion, one million, one hundred seventeen thousand, two hundred sixty-nine".