1286148 has 24 divisors (see below), whose sum is σ = 3159520. Its totient is φ = 406080.

The previous prime is 1286147. The next prime is 1286149. The reversal of 1286148 is 8416821.

It is an interprime number because it is at equal distance from previous prime (1286147) and next prime (1286149).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1286147) 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, 2593 + ... + 3048.

2^1286148 is an apocalyptic number.

It is an amenable number.

1286148 is an abundant number, since it is smaller than the sum of its proper divisors (1873372).

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

1286148 is a wasteful number, since it uses less digits than its factorization.

1286148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667 (or 5665 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 1286148 is about 1134.0846529250. The cubic root of 1286148 is about 108.7502629139.

The spelling of 1286148 in words is "one million, two hundred eighty-six thousand, one hundred forty-eight".