1050205155 has 8 divisors (see below), whose sum is σ = 1680328272. Its totient is φ = 560109408.

The previous prime is 1050205153. The next prime is 1050205157. The reversal of 1050205155 is 5515020501.

It is an interprime number because it is at equal distance from previous prime (1050205153) and next prime (1050205157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1050205155 - 2¹ = 1050205153 is a prime.

It is a super-2 number, since 2×1050205155² = 2205861735177148050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050205153) 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 7 ways as a sum of consecutive naturals, for example, 35006824 + ... + 35006853.

It is an arithmetic number, because the mean of its divisors is an integer number (210041034).

Almost surely, 2^1050205155 is an apocalyptic number.

1050205155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1050205155 is a deficient number, since it is larger than the sum of its proper divisors (630123117).

1050205155 is an equidigital number, since it uses as much as digits as its factorization.

1050205155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70013685.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 1050205155 is about 32406.8689478018. The cubic root of 1050205155 is about 1016.4625489468.

Adding to 1050205155 its reverse (5515020501), we get a palindrome (6565225656).

The spelling of 1050205155 in words is "one billion, fifty million, two hundred five thousand, one hundred fifty-five".