1245802 has 4 divisors (see below), whose sum is σ = 1868706. Its totient is φ = 622900.

The previous prime is 1245799. The next prime is 1245817. The reversal of 1245802 is 2085421.

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., 1142761 + 103041 = 1069^2 + 321^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311449 + ... + 311452.

2^1245802 is an apocalyptic number.

1245802 is a deficient number, since it is larger than the sum of its proper divisors (622904).

1245802 is an equidigital number, since it uses as much as digits as its factorization.

1245802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622903.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1245802 is about 1116.1550071563. The cubic root of 1245802 is about 107.6010083606.

The spelling of 1245802 in words is "one million, two hundred forty-five thousand, eight hundred two".