1055845 has 16 divisors (see below), whose sum is σ = 1467648. Its totient is φ = 714240.

The previous prime is 1055839. The next prime is 1055851. The reversal of 1055845 is 5485501.

It is an interprime number because it is at equal distance from previous prime (1055839) and next prime (1055851).

It is not a de Polignac number, because 1055845 - 2¹³ = 1047653 is a prime.

It is a super-2 number, since 2×1055845² = 2229617328050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3240 + ... + 3550.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

2^1055845 is an apocalyptic number.

It is an amenable number.

1055845 is a deficient number, since it is larger than the sum of its proper divisors (411803).

1055845 is an equidigital number, since it uses as much as digits as its factorization.

1055845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1055845 is about 1027.5431864404. The cubic root of 1055845 is about 101.8278847964.

It can be divided in two parts, 10 and 55845, that added together give a palindrome (55855).

The spelling of 1055845 in words is "one million, fifty-five thousand, eight hundred forty-five".