1053940 has 12 divisors (see below), whose sum is σ = 2213316. Its totient is φ = 421568.

The previous prime is 1053863. The next prime is 1053953. The reversal of 1053940 is 493501.

It can be written as a sum of positive squares in 2 ways, for example, as 781456 + 272484 = 884^2 + 522^2 .

It is a super-2 number, since 2×1053940² = 2221579047200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26329 + ... + 26368.

It is an arithmetic number, because the mean of its divisors is an integer number (184443).

2^1053940 is an apocalyptic number.

1053940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053940 is an abundant number, since it is smaller than the sum of its proper divisors (1159376).

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

1053940 is a wasteful number, since it uses less digits than its factorization.

1053940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52706 (or 52704 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1053940 is about 1026.6157996057. The cubic root of 1053940 is about 101.7666072095.

The spelling of 1053940 in words is "one million, fifty-three thousand, nine hundred forty".