1054428 has 12 divisors (see below), whose sum is σ = 2460360. Its totient is φ = 351472.

The previous prime is 1054423. The next prime is 1054429. The reversal of 1054428 is 8244501.

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

It is a super-2 number, since 2×1054428² = 2223636814368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054398 and 1054407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054423) 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, 43923 + ... + 43946.

It is an arithmetic number, because the mean of its divisors is an integer number (205030).

2^1054428 is an apocalyptic number.

It is an amenable number.

1054428 is an abundant number, since it is smaller than the sum of its proper divisors (1405932).

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

1054428 is a wasteful number, since it uses less digits than its factorization.

1054428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87876 (or 87874 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1054428 is about 1026.8534462132. The cubic root of 1054428 is about 101.7823115953.

Adding to 1054428 its reverse (8244501), we get a palindrome (9298929).

The spelling of 1054428 in words is "one million, fifty-four thousand, four hundred twenty-eight".