1000011051 has 48 divisors (see below), whose sum is σ = 1612945152. Its totient is φ = 592876800.

The previous prime is 1000011011. The next prime is 1000011071. The reversal of 1000011051 is 1501100001.

It is not a de Polignac number, because 1000011051 - 2⁶ = 1000010987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000011011) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1062241 + ... + 1063181.

It is an arithmetic number, because the mean of its divisors is an integer number (33603024).

Almost surely, 2^1000011051 is an apocalyptic number.

1000011051 is a deficient number, since it is larger than the sum of its proper divisors (612934101).

1000011051 is a wasteful number, since it uses less digits than its factorization.

1000011051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 1000011051 is about 31622.9513328532. The cubic root of 1000011051 is about 1000.0036836531.

Adding to 1000011051 its reverse (1501100001), we get a palindrome (2501111052).

The spelling of 1000011051 in words is "one billion, eleven thousand, fifty-one".