881245 has 16 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 658944.

The previous prime is 881233. The next prime is 881249. The reversal of 881245 is 542188.

881245 = 24² + 25² + ... + 138².

It is a cyclic number.

It is not a de Polignac number, because 881245 - 2¹⁷ = 750173 is a prime.

881245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9037 + ... + 9133.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2⁸⁸¹²⁴⁵ is an apocalyptic number.

It is an amenable number.

881245 is a deficient number, since it is larger than the sum of its proper divisors (247715).

881245 is a wasteful number, since it uses less digits than its factorization.

881245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its digits is 2560, while the sum is 28.

The square root of 881245 is about 938.7465046539. The cubic root of 881245 is about 95.8735676469.

The spelling of 881245 in words is "eight hundred eighty-one thousand, two hundred forty-five".