1051065745 has 8 divisors (see below), whose sum is σ = 1272850920. Its totient is φ = 833137920.

The previous prime is 1051065739. The next prime is 1051065767. The reversal of 1051065745 is 5475601501.

It can be written as a sum of positive squares in 4 ways, for example, as 346853376 + 704212369 = 18624^2 + 26537^2 .

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

It is not a de Polignac number, because 1051065745 - 2²⁷ = 916848017 is a prime.

It is a super-2 number, since 2×1051065745² = 2209478400624810050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051065745.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 963736 + ... + 964825.

It is an arithmetic number, because the mean of its divisors is an integer number (159106365).

Almost surely, 2^1051065745 is an apocalyptic number.

It is an amenable number.

1051065745 is a deficient number, since it is larger than the sum of its proper divisors (221785175).

1051065745 is a wasteful number, since it uses less digits than its factorization.

1051065745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928675.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 1051065745 is about 32420.1441236772. The cubic root of 1051065745 is about 1016.7401196892.

The spelling of 1051065745 in words is "one billion, fifty-one million, sixty-five thousand, seven hundred forty-five".