1055901 has 24 divisors (see below), whose sum is σ = 1789344. Its totient is φ = 547680.

The previous prime is 1055897. The next prime is 1055911. The reversal of 1055901 is 1095501.

It is a happy number.

It is not a de Polignac number, because 1055901 - 2² = 1055897 is a prime.

It is a super-2 number, since 2×1055901² = 2229853843602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

1055901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1291 + ... + 1943.

It is an arithmetic number, because the mean of its divisors is an integer number (74556).

2^1055901 is an apocalyptic number.

1055901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1055901 is a deficient number, since it is larger than the sum of its proper divisors (733443).

1055901 is a wasteful number, since it uses less digits than its factorization.

1055901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1055901 is about 1027.5704355420. The cubic root of 1055901 is about 101.8296850166.

It can be divided in two parts, 105 and 5901, that added together give a palindrome (6006).

The spelling of 1055901 in words is "one million, fifty-five thousand, nine hundred one".