1009252 has 6 divisors (see below), whose sum is σ = 1766198. Its totient is φ = 504624.

The previous prime is 1009247. The next prime is 1009259. The reversal of 1009252 is 2529001.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 343396 = 816^2 + 586^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1009259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126153 + ... + 126160.

2^1009252 is an apocalyptic number.

It is an amenable number.

1009252 is a deficient number, since it is larger than the sum of its proper divisors (756946).

1009252 is a wasteful number, since it uses less digits than its factorization.

1009252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252317 (or 252315 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1009252 is about 1004.6153492755. The cubic root of 1009252 is about 100.3074537531.

The spelling of 1009252 in words is "one million, nine thousand, two hundred fifty-two".