1055601 has 12 divisors (see below), whose sum is σ = 1554228. Its totient is φ = 690144.

The previous prime is 1055597. The next prime is 1055603. The reversal of 1055601 is 1065501.

1055601 is a `hidden beast` number, since 10 + 55 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 950625 + 104976 = 975^2 + 324^2 .

It is not a de Polignac number, because 1055601 - 2² = 1055597 is a prime.

It is a super-2 number, since 2×1055601² = 2228586942402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (129519).

2^1055601 is an apocalyptic number.

It is an amenable number.

1055601 is a deficient number, since it is larger than the sum of its proper divisors (498627).

1055601 is a wasteful number, since it uses less digits than its factorization.

1055601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1055601 is about 1027.4244497772. The cubic root of 1055601 is about 101.8200402364.

It can be divided in two parts, 10 and 55601, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 1055601 in words is "one million, fifty-five thousand, six hundred one".