1000252144 has 20 divisors (see below), whose sum is σ = 1941710296. Its totient is φ = 499165632.

The previous prime is 1000252139. The next prime is 1000252151. The reversal of 1000252144 is 4412520001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51399 + ... + 68134.

Almost surely, 2^1000252144 is an apocalyptic number.

It is an amenable number.

1000252144 is a deficient number, since it is larger than the sum of its proper divisors (941458152).

1000252144 is a wasteful number, since it uses less digits than its factorization.

1000252144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120064 (or 120058 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1000252144 is about 31626.7630970986. The cubic root of 1000252144 is about 1000.0840409369.

Adding to 1000252144 its reverse (4412520001), we get a palindrome (5412772145).

The spelling of 1000252144 in words is "one billion, two hundred fifty-two thousand, one hundred forty-four".