1056009845 has 8 divisors (see below), whose sum is σ = 1382412960. Its totient is φ = 768007120.

The previous prime is 1056009839. The next prime is 1056009853. The reversal of 1056009845 is 5489006501.

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

It is not a de Polignac number, because 1056009845 - 2⁸ = 1056009589 is a prime.

It is a super-2 number, since 2×1056009845² = 2230313585473848050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056009799 and 1056009808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9600035 + ... + 9600144.

It is an arithmetic number, because the mean of its divisors is an integer number (172801620).

Almost surely, 2^1056009845 is an apocalyptic number.

It is an amenable number.

1056009845 is a deficient number, since it is larger than the sum of its proper divisors (326403115).

1056009845 is a wasteful number, since it uses less digits than its factorization.

1056009845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19200195.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 1056009845 is about 32496.3050976569. The cubic root of 1056009845 is about 1018.3318385199.

The spelling of 1056009845 in words is "one billion, fifty-six million, nine thousand, eight hundred forty-five".