1051165133 has 4 divisors (see below), whose sum is σ = 1051843548. Its totient is φ = 1050486720.

The previous prime is 1051165123. The next prime is 1051165147. The reversal of 1051165133 is 3315611501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 483868009 + 567297124 = 21997^2 + 23818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051165133 - 2⁶ = 1051165069 is a prime.

It is a super-2 number, since 2×1051165133² = 2209896273669815378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051165123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336878 + ... + 339983.

It is an arithmetic number, because the mean of its divisors is an integer number (262960887).

Almost surely, 2^1051165133 is an apocalyptic number.

It is an amenable number.

1051165133 is a deficient number, since it is larger than the sum of its proper divisors (678415).

1051165133 is an equidigital number, since it uses as much as digits as its factorization.

1051165133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678414.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 1051165133 is about 32421.6768998767. The cubic root of 1051165133 is about 1016.7721660772.

Adding to 1051165133 its reverse (3315611501), we get a palindrome (4366776634).

The spelling of 1051165133 in words is "one billion, fifty-one million, one hundred sixty-five thousand, one hundred thirty-three".