1055738 has 4 divisors (see below), whose sum is σ = 1583610. Its totient is φ = 527868.

The previous prime is 1055737. The next prime is 1055741. The reversal of 1055738 is 8375501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8375501 = 79 ⋅106019.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 49729 = 1003^2 + 223^2 .

It is a super-2 number, since 2×1055738² = 2229165449288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055738.

It is not an unprimeable number, because it can be changed into a prime (1055731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263933 + ... + 263936.

2^1055738 is an apocalyptic number.

1055738 is a deficient number, since it is larger than the sum of its proper divisors (527872).

1055738 is an equidigital number, since it uses as much as digits as its factorization.

1055738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527871.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1055738 is about 1027.4911191830. The cubic root of 1055738 is about 101.8244449127.

The spelling of 1055738 in words is "one million, fifty-five thousand, seven hundred thirty-eight".