1055980 has 24 divisors (see below), whose sum is σ = 2279088. Its totient is φ = 410688.

The previous prime is 1055969. The next prime is 1055981. The reversal of 1055980 is 895501.

It is a super-2 number, since 2×1055980² = 2230187520800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (94962).

2^1055980 is an apocalyptic number.

1055980 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 1055980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139544).

1055980 is an abundant number, since it is smaller than the sum of its proper divisors (1223108).

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

1055980 is a wasteful number, since it uses less digits than its factorization.

1055980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1055980 is about 1027.6088750103. The cubic root of 1055980 is about 101.8322245049.

The spelling of 1055980 in words is "one million, fifty-five thousand, nine hundred eighty".