1023602 has 4 divisors (see below), whose sum is σ = 1535406. Its totient is φ = 511800.

The previous prime is 1023601. The next prime is 1023643. The reversal of 1023602 is 2063201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 477481 = 739^2 + 691^2 .

It is a super-2 number, since 2×1023602² = 2095522108808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255899 + ... + 255902.

2^1023602 is an apocalyptic number.

1023602 is a deficient number, since it is larger than the sum of its proper divisors (511804).

1023602 is an equidigital number, since it uses as much as digits as its factorization.

1023602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511803.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1023602 is about 1011.7321779997. The cubic root of 1023602 is about 100.7806237427.

Adding to 1023602 its reverse (2063201), we get a palindrome (3086803).

The spelling of 1023602 in words is "one million, twenty-three thousand, six hundred two".