1055142829 has 4 divisors (see below), whose sum is σ = 1136307676. Its totient is φ = 973977984.

The previous prime is 1055142821. The next prime is 1055142841. The reversal of 1055142829 is 9282415501.

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 662032900 + 393109929 = 25730^2 + 19827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055142829 - 2³ = 1055142821 is a prime.

It is a super-2 number, since 2×1055142829² = 2226652779180246482, 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 (1055142821) 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, 40582404 + ... + 40582429.

It is an arithmetic number, because the mean of its divisors is an integer number (284076919).

Almost surely, 2^1055142829 is an apocalyptic number.

It is an amenable number.

1055142829 is a deficient number, since it is larger than the sum of its proper divisors (81164847).

1055142829 is an equidigital number, since it uses as much as digits as its factorization.

1055142829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81164846.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1055142829 is about 32482.9621340173. The cubic root of 1055142829 is about 1018.0530684738.

The spelling of 1055142829 in words is "one billion, fifty-five million, one hundred forty-two thousand, eight hundred twenty-nine".