1045254 has 32 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 290880.

The previous prime is 1045241. The next prime is 1045273. The reversal of 1045254 is 4525401.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 1045254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2^1045254 is an apocalyptic number.

1045254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225728).

1045254 is an abundant number, since it is smaller than the sum of its proper divisors (1406202).

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

1045254 is a wasteful number, since it uses less digits than its factorization.

1045254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1045254 is about 1022.3766429257. The cubic root of 1045254 is about 101.4862673228.

The spelling of 1045254 in words is "one million, forty-five thousand, two hundred fifty-four".