1053660 has 48 divisors (see below), whose sum is σ = 3126816. Its totient is φ = 264192.

The previous prime is 1053617. The next prime is 1053691. The reversal of 1053660 is 663501.

It is a super-2 number, since 2×1053660² = 2220398791200, which contains 22 as substring.

It is an Ulam number.

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, 504 + ... + 1536.

It is an arithmetic number, because the mean of its divisors is an integer number (65142).

2^1053660 is an apocalyptic number.

1053660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563408).

1053660 is an abundant number, since it is smaller than the sum of its proper divisors (2073156).

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

1053660 is a wasteful number, since it uses less digits than its factorization.

1053660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1053660 is about 1026.4794201541. The cubic root of 1053660 is about 101.7575943075.

The spelling of 1053660 in words is "one million, fifty-three thousand, six hundred sixty".