1055380 has 12 divisors (see below), whose sum is σ = 2216340. Its totient is φ = 422144.

The previous prime is 1055371. The next prime is 1055387. The reversal of 1055380 is 835501.

It can be written as a sum of positive squares in 2 ways, for example, as 329476 + 725904 = 574^2 + 852^2 .

It is a super-2 number, since 2×1055380² = 2227653888800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055387) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26365 + ... + 26404.

It is an arithmetic number, because the mean of its divisors is an integer number (184695).

2^1055380 is an apocalyptic number.

1055380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055380 is an abundant number, since it is smaller than the sum of its proper divisors (1160960).

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

1055380 is a wasteful number, since it uses less digits than its factorization.

1055380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52778 (or 52776 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1055380 is about 1027.3168936604. The cubic root of 1055380 is about 101.8129340794.

The spelling of 1055380 in words is "one million, fifty-five thousand, three hundred eighty".