1052280001249 has 3 divisors (see below), whose sum is σ = 1052281027057. Its totient is φ = 1052278975442.

The previous prime is 1052280001237. The next prime is 1052280001271. The reversal of 1052280001249 is 9421000822501.

The square root of 1052280001249 is 1025807.

It is a perfect power (a square), and thus also a powerful number.

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 is not a de Polignac number, because 1052280001249 - 2¹⁷ = 1052279870177 is a prime.

It is a super-2 number, since 2×1052280001249² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052280001229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 512904 + ... + 1538710.

Almost surely, 2^{1052280001249} is an apocalyptic number.

1052280001249 is the 1025807-th square number.

1052280001249 is the 512904-th centered octagonal number.

It is an amenable number.

1052280001249 is a deficient number, since it is larger than the sum of its proper divisors (1025808).

1052280001249 is an frugal number, since it uses more digits than its factorization.

1052280001249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051614 (or 1025807 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 1052280001249 in words is "one trillion, fifty-two billion, two hundred eighty million, one thousand, two hundred forty-nine".