1071949082245 has 8 divisors (see below), whose sum is σ = 1289394338040. Its totient is φ = 855522306240.

The previous prime is 1071949082209. The next prime is 1071949082249. The reversal of 1071949082245 is 5422809491701.

It can be written as a sum of positive squares in 4 ways, for example, as 2921294401 + 1069027787844 = 54049^2 + 1033938^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1071949082245 - 2¹⁹ = 1071948557957 is a prime.

It is a super-2 number, since 2×1071949082245² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071949082192 and 1071949082201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071949082249) 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, 254617630 + ... + 254621839.

It is an arithmetic number, because the mean of its divisors is an integer number (161174292255).

Almost surely, 2^{1071949082245} is an apocalyptic number.

It is an amenable number.

1071949082245 is a deficient number, since it is larger than the sum of its proper divisors (217445255795).

1071949082245 is an equidigital number, since it uses as much as digits as its factorization.

1071949082245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509239895.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 1071949082245 in words is "one trillion, seventy-one billion, nine hundred forty-nine million, eighty-two thousand, two hundred forty-five".