1102257 has 12 divisors (see below), whose sum is σ = 1714804. Its totient is φ = 678240.

The previous prime is 1102253. The next prime is 1102259. The reversal of 1102257 is 7522011.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 848241 = 504^2 + 921^2 .

It is not a de Polignac number, because 1102257 - 2² = 1102253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4594 + ... + 4827.

2^1102257 is an apocalyptic number.

It is an amenable number.

1102257 is a deficient number, since it is larger than the sum of its proper divisors (612547).

1102257 is a wasteful number, since it uses less digits than its factorization.

1102257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1102257 is about 1049.8842793375. The cubic root of 1102257 is about 103.2985650170.

Adding to 1102257 its reverse (7522011), we get a palindrome (8624268).

The spelling of 1102257 in words is "one million, one hundred two thousand, two hundred fifty-seven".