1069771441 has 4 divisors (see below), whose sum is σ = 1070512192. Its totient is φ = 1069030692.

The previous prime is 1069771411. The next prime is 1069771489. The reversal of 1069771441 is 1441779601.

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: 1441779601 = 1013 ⋅1423277.

It is a cyclic number.

It is not a de Polignac number, because 1069771441 - 2²⁷ = 935553713 is a prime.

It is a super-2 number, since 2×1069771441² = 2288821871958432962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1069771394 and 1069771403.

It is not an unprimeable number, because it can be changed into a prime (1069771411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368205 + ... + 371098.

It is an arithmetic number, because the mean of its divisors is an integer number (267628048).

Almost surely, 2^1069771441 is an apocalyptic number.

It is an amenable number.

1069771441 is a deficient number, since it is larger than the sum of its proper divisors (740751).

1069771441 is an equidigital number, since it uses as much as digits as its factorization.

1069771441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740750.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1069771441 is about 32707.3606547517. The cubic root of 1069771441 is about 1022.7362903438.

The spelling of 1069771441 in words is "one billion, sixty-nine million, seven hundred seventy-one thousand, four hundred forty-one".