1266402 has 8 divisors (see below), whose sum is σ = 2532816. Its totient is φ = 422132.

The previous prime is 1266389. The next prime is 1266409. The reversal of 1266402 is 2046621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1266402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1266409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105528 + ... + 105539.

It is an arithmetic number, because the mean of its divisors is an integer number (316602).

2^1266402 is an apocalyptic number.

1266402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266402 is a wasteful number, since it uses less digits than its factorization.

1266402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211072.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1266402 is about 1125.3452803473. The cubic root of 1266402 is about 108.1908491047.

The spelling of 1266402 in words is "one million, two hundred sixty-six thousand, four hundred two".