1071187441 has 9 divisors (see below), whose sum is σ = 1120573209. Its totient is φ = 1023894036.

The previous prime is 1071187433. The next prime is 1071187477. The reversal of 1071187441 is 1447811701.

The square root of 1071187441 is 32729.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1071187441 - 2³ = 1071187433 is a prime.

It is a super-2 number, since 2×1071187441² = 2294885067512256962, 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 = 1071187397 and 1071187406.

It is not an unprimeable number, because it can be changed into a prime (1071187541) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 752056 + ... + 753478.

Almost surely, 2^1071187441 is an apocalyptic number.

1071187441 is the 32729-th square number.

1071187441 is the 16365-th centered octagonal number.

It is an amenable number.

1071187441 is a deficient number, since it is larger than the sum of its proper divisors (49385768).

1071187441 is an frugal number, since it uses more digits than its factorization.

1071187441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 34.

The cubic root of 1071187441 is about 1023.1873387437.

The spelling of 1071187441 in words is "one billion, seventy-one million, one hundred eighty-seven thousand, four hundred forty-one".