1055930 has 16 divisors (see below), whose sum is σ = 1983744. Its totient is φ = 403920.

The previous prime is 1055917. The next prime is 1055933. The reversal of 1055930 is 395501.

It is a super-2 number, since 2×1055930² = 2229976329800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1055896 and 1055905.

It is not an unprimeable number, because it can be changed into a prime (1055933) 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, 2066 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (123984).

2^1055930 is an apocalyptic number.

1055930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055930 is a deficient number, since it is larger than the sum of its proper divisors (927814).

1055930 is a wasteful number, since it uses less digits than its factorization.

1055930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1055930 is about 1027.5845464000. The cubic root of 1055930 is about 101.8306172485.

The spelling of 1055930 in words is "one million, fifty-five thousand, nine hundred thirty".