1052747399 has 8 divisors (see below), whose sum is σ = 1155499392. Its totient is φ = 951170040.

The previous prime is 1052747369. The next prime is 1052747411. The reversal of 1052747399 is 9937472501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052747399 - 2¹⁶ = 1052681863 is a prime.

It is a super-2 number, since 2×1052747399² = 2216554172202530402, 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 (1052747369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291779 + ... + 295364.

It is an arithmetic number, because the mean of its divisors is an integer number (144437424).

Almost surely, 2^1052747399 is an apocalyptic number.

1052747399 is a deficient number, since it is larger than the sum of its proper divisors (102751993).

1052747399 is a wasteful number, since it uses less digits than its factorization.

1052747399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587317.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 1052747399 is about 32446.0690839430. The cubic root of 1052747399 is about 1017.2820756480.

The spelling of 1052747399 in words is "one billion, fifty-two million, seven hundred forty-seven thousand, three hundred ninety-nine".