1261284 has 12 divisors (see below), whose sum is σ = 2943024. Its totient is φ = 420424.

The previous prime is 1261279. The next prime is 1261289. The reversal of 1261284 is 4821621.

It is an interprime number because it is at equal distance from previous prime (1261279) and next prime (1261289).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1261289) 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, 52542 + ... + 52565.

It is an arithmetic number, because the mean of its divisors is an integer number (245252).

2^1261284 is an apocalyptic number.

It is an amenable number.

1261284 is an abundant number, since it is smaller than the sum of its proper divisors (1681740).

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

1261284 is a wasteful number, since it uses less digits than its factorization.

1261284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105114 (or 105112 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1261284 is about 1123.0690094558. The cubic root of 1261284 is about 108.0449058799.

The spelling of 1261284 in words is "one million, two hundred sixty-one thousand, two hundred eighty-four".