1053720 has 48 divisors (see below), whose sum is σ = 3425760. Its totient is φ = 280896.

The previous prime is 1053713. The next prime is 1053727. The reversal of 1053720 is 273501.

It is an interprime number because it is at equal distance from previous prime (1053713) and next prime (1053727).

It is a super-2 number, since 2×1053720² = 2220651676800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1053693 and 1053702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104 + ... + 1823.

It is an arithmetic number, because the mean of its divisors is an integer number (71370).

2^1053720 is an apocalyptic number.

1053720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053720 is an abundant number, since it is smaller than the sum of its proper divisors (2372040).

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

1053720 is a wasteful number, since it uses less digits than its factorization.

1053720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1053720 is about 1026.5086458477. The cubic root of 1053720 is about 101.7595257780.

The spelling of 1053720 in words is "one million, fifty-three thousand, seven hundred twenty".