1081252 has 24 divisors (see below), whose sum is σ = 2046240. Its totient is φ = 498240.

The previous prime is 1081247. The next prime is 1081277. The reversal of 1081252 is 2521801.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2943 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (85260).

2^1081252 is an apocalyptic number.

It is an amenable number.

1081252 is a deficient number, since it is larger than the sum of its proper divisors (964988).

1081252 is a wasteful number, since it uses less digits than its factorization.

1081252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1081252 is about 1039.8326788479. The cubic root of 1081252 is about 102.6381875994.

The spelling of 1081252 in words is "one million, eighty-one thousand, two hundred fifty-two".