1055618 has 4 divisors (see below), whose sum is σ = 1583430. Its totient is φ = 527808.

The previous prime is 1055611. The next prime is 1055671. The reversal of 1055618 is 8165501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 667489 + 388129 = 817^2 + 623^2 .

It is a super-2 number, since 2×1055618² = 2228658723848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055611) 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 as a sum of consecutive naturals, namely, 263903 + ... + 263906.

2^1055618 is an apocalyptic number.

1055618 is a deficient number, since it is larger than the sum of its proper divisors (527812).

1055618 is an equidigital number, since it uses as much as digits as its factorization.

1055618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527811.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1055618 is about 1027.4327228583. The cubic root of 1055618 is about 101.8205868228.

The spelling of 1055618 in words is "one million, fifty-five thousand, six hundred eighteen".