1055730 has 32 divisors (see below), whose sum is σ = 2729664. Its totient is φ = 259776.

The previous prime is 1055713. The next prime is 1055731. The reversal of 1055730 is 375501.

It is a happy number.

It is a super-2 number, since 2×1055730² = 2229131665800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055697 and 1055706.

It is not an unprimeable number, because it can be changed into a prime (1055731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (85302).

2^1055730 is an apocalyptic number.

1055730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055730 is an abundant number, since it is smaller than the sum of its proper divisors (1673934).

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

1055730 is a wasteful number, since it uses less digits than its factorization.

1055730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 1055730 is about 1027.4872261980. The cubic root of 1055730 is about 101.8241877158.

The spelling of 1055730 in words is "one million, fifty-five thousand, seven hundred thirty".