1050388117 has 4 divisors (see below), whose sum is σ = 1050453196. Its totient is φ = 1050323040.

The previous prime is 1050388109. The next prime is 1050388121. The reversal of 1050388117 is 7118830501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7118830501 = 41243 ⋅172607.

It can be written as a sum of positive squares in 2 ways, for example, as 975063076 + 75325041 = 31226^2 + 8679^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050388117 - 2³ = 1050388109 is a prime.

It is a super-2 number, since 2×1050388117² = 2206630392669611378, 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 (1050388147) 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, 11923 + ... + 47359.

It is an arithmetic number, because the mean of its divisors is an integer number (262613299).

Almost surely, 2^1050388117 is an apocalyptic number.

It is an amenable number.

1050388117 is a deficient number, since it is larger than the sum of its proper divisors (65079).

1050388117 is an equidigital number, since it uses as much as digits as its factorization.

1050388117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65078.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 1050388117 is about 32409.6917140537. The cubic root of 1050388117 is about 1016.5215733578.

The spelling of 1050388117 in words is "one billion, fifty million, three hundred eighty-eight thousand, one hundred seventeen".