1055555 has 8 divisors (see below), whose sum is σ = 1279152. Its totient is φ = 836128.

The previous prime is 1055543. The next prime is 1055567. The reversal of 1055555 is 5555501.

It is an interprime number because it is at equal distance from previous prime (1055543) and next prime (1055567).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055555 - 2¹⁰ = 1054531 is a prime.

It is a super-2 number, since 2×1055555² = 2228392716050, which contains 22 as substring.

It is a Duffinian number.

1055555 is a modest number, since divided by 5555 gives 105 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (159894).

2^1055555 is an apocalyptic number.

1055555 is a deficient number, since it is larger than the sum of its proper divisors (223597).

1055555 is a wasteful number, since it uses less digits than its factorization.

1055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 1055555 is about 1027.4020634591. The cubic root of 1055555 is about 101.8185612086.

The spelling of 1055555 in words is "one million, fifty-five thousand, five hundred fifty-five".