1071655441 has 2 divisors, whose sum is σ = 1071655442. Its totient is φ = 1071655440.

The previous prime is 1071655439. The next prime is 1071655463. The reversal of 1071655441 is 1445561701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817731216 + 253924225 = 28596^2 + 15935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071655441 - 2¹ = 1071655439 is a prime.

It is a super-2 number, since 2×1071655441² = 2296890768449808962, which contains 22 as substring.

Together with 1071655439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1071655397 and 1071655406.

It is not a weakly prime, because it can be changed into another prime (1071655421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535827720 + 535827721.

It is an arithmetic number, because the mean of its divisors is an integer number (535827721).

Almost surely, 2^1071655441 is an apocalyptic number.

It is an amenable number.

1071655441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071655441 is an equidigital number, since it uses as much as digits as its factorization.

1071655441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1071655441 is about 32736.1488419148. The cubic root of 1071655441 is about 1023.3363266602.

The spelling of 1071655441 in words is "one billion, seventy-one million, six hundred fifty-five thousand, four hundred forty-one".