1081254 has 16 divisors (see below), whose sum is σ = 2173248. Its totient is φ = 358632.

The previous prime is 1081247. The next prime is 1081277. The reversal of 1081254 is 4521801.

It is a super-2 number, since 2×1081254² = 2338220425032, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (135828).

2^1081254 is an apocalyptic number.

1081254 is an abundant number, since it is smaller than the sum of its proper divisors (1091994).

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

1081254 is a wasteful number, since it uses less digits than its factorization.

1081254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1081254 is about 1039.8336405406. The cubic root of 1081254 is about 102.6382508829.

The spelling of 1081254 in words is "one million, eighty-one thousand, two hundred fifty-four".