1290602 has 12 divisors (see below), whose sum is σ = 1987650. Its totient is φ = 628488.

The previous prime is 1290593. The next prime is 1290607. The reversal of 1290602 is 2060921.

It can be written as a sum of positive squares in only one way, i.e., 978121 + 312481 = 989^2 + 559^2 .

It is not an unprimeable number, because it can be changed into a prime (1290607) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3524 + ... + 3872.

2^1290602 is an apocalyptic number.

1290602 is a deficient number, since it is larger than the sum of its proper divisors (697048).

1290602 is an equidigital number, since it uses as much as digits as its factorization.

1290602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1290602 is about 1136.0466539716. The cubic root of 1290602 is about 108.8756542911.

The spelling of 1290602 in words is "one million, two hundred ninety thousand, six hundred two".