1055456 has 12 divisors (see below), whose sum is σ = 2077992. Its totient is φ = 527712.

The previous prime is 1055437. The next prime is 1055471. The reversal of 1055456 is 6545501.

It is a super-2 number, since 2×1055456² = 2227974735872, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 16460 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (173166).

2^1055456 is an apocalyptic number.

1055456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1055456 is a deficient number, since it is larger than the sum of its proper divisors (1022536).

1055456 is an equidigital number, since it uses as much as digits as its factorization.

1055456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32993 (or 32985 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1055456 is about 1027.3538825546. The cubic root of 1055456 is about 101.8153779376.

The spelling of 1055456 in words is "one million, fifty-five thousand, four hundred fifty-six".