1285254 has 16 divisors (see below), whose sum is σ = 2856240. Its totient is φ = 428400.

The previous prime is 1285247. The next prime is 1285259. The reversal of 1285254 is 4525821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285259) 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, 11847 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (178515).

2^1285254 is an apocalyptic number.

1285254 is an abundant number, since it is smaller than the sum of its proper divisors (1570986).

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

1285254 is a wasteful number, since it uses less digits than its factorization.

1285254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23812 (or 23806 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1285254 is about 1133.6904339369. The cubic root of 1285254 is about 108.7250596791.

The spelling of 1285254 in words is "one million, two hundred eighty-five thousand, two hundred fifty-four".