1052021141 has 4 divisors (see below), whose sum is σ = 1052093484. Its totient is φ = 1051948800.

The previous prime is 1052021123. The next prime is 1052021143. The reversal of 1052021141 is 1411202501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 364008241 + 688012900 = 19079^2 + 26230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052021141 is a prime.

It is a super-2 number, since 2×1052021141² = 2213496962221883762, 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 (1052021143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5930 + ... + 46251.

It is an arithmetic number, because the mean of its divisors is an integer number (263023371).

Almost surely, 2^1052021141 is an apocalyptic number.

It is an amenable number.

1052021141 is a deficient number, since it is larger than the sum of its proper divisors (72343).

1052021141 is an equidigital number, since it uses as much as digits as its factorization.

1052021141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72342.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1052021141 is about 32434.8753812929. The cubic root of 1052021141 is about 1017.0480913116.

Adding to 1052021141 its reverse (1411202501), we get a palindrome (2463223642).

The spelling of 1052021141 in words is "one billion, fifty-two million, twenty-one thousand, one hundred forty-one".