1053540 has 48 divisors (see below), whose sum is σ = 3279360. Its totient is φ = 280800.

The previous prime is 1053539. The next prime is 1053551. The reversal of 1053540 is 453501.

It is a super-2 number, since 2×1053540² = 2219893063200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (68320).

2^1053540 is an apocalyptic number.

1053540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053540 is an abundant number, since it is smaller than the sum of its proper divisors (2225820).

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

1053540 is a wasteful number, since it uses less digits than its factorization.

1053540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1053540 is about 1026.4209662707. The cubic root of 1053540 is about 101.7537311464.

The spelling of 1053540 in words is "one million, fifty-three thousand, five hundred forty".