1050552101 has 4 divisors (see below), whose sum is σ = 1050699552. Its totient is φ = 1050404652.

The previous prime is 1050552089. The next prime is 1050552109. The reversal of 1050552101 is 1012550501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1012550501 = 19793 ⋅51157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050552101 is a prime.

It is a super-2 number, since 2×1050552101² = 2207319433831028402, 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 (1050552109) 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, 62465 + ... + 77478.

It is an arithmetic number, because the mean of its divisors is an integer number (262674888).

Almost surely, 2^1050552101 is an apocalyptic number.

It is an amenable number.

1050552101 is a deficient number, since it is larger than the sum of its proper divisors (147451).

1050552101 is an equidigital number, since it uses as much as digits as its factorization.

1050552101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147450.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 1050552101 is about 32412.2214758569. The cubic root of 1050552101 is about 1016.5744695514.

It can be divided in two parts, 105055 and 2101, that multiplied together give a triangular number (220720555 = T₂₁₀₁₀).

The spelling of 1050552101 in words is "one billion, fifty million, five hundred fifty-two thousand, one hundred one".