1278202 has 16 divisors (see below), whose sum is σ = 2057472. Its totient is φ = 594000.

The previous prime is 1278197. The next prime is 1278203. The reversal of 1278202 is 2028721.

It is not an unprimeable number, because it can be changed into a prime (1278203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (128592).

2^1278202 is an apocalyptic number.

1278202 is a deficient number, since it is larger than the sum of its proper divisors (779270).

1278202 is a wasteful number, since it uses less digits than its factorization.

1278202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1278202 is about 1130.5759594118. The cubic root of 1278202 is about 108.5258420611.

The spelling of 1278202 in words is "one million, two hundred seventy-eight thousand, two hundred two".