1288202 has 4 divisors (see below), whose sum is σ = 1932306. Its totient is φ = 644100.

The previous prime is 1288201. The next prime is 1288213. The reversal of 1288202 is 2028821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2028821 = 37 ⋅54833.

It can be written as a sum of positive squares in only one way, i.e., 724201 + 564001 = 851^2 + 751^2 .

It is not an unprimeable number, because it can be changed into a prime (1288201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322049 + ... + 322052.

2^1288202 is an apocalyptic number.

1288202 is a deficient number, since it is larger than the sum of its proper divisors (644104).

1288202 is an equidigital number, since it uses as much as digits as its factorization.

1288202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644103.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1288202 is about 1134.9898677962. The cubic root of 1288202 is about 108.8081241230.

Adding to 1288202 its sum of digits (23), we get a square (1288225 = 1135²).

The spelling of 1288202 in words is "one million, two hundred eighty-eight thousand, two hundred two".