1086155 has 8 divisors (see below), whose sum is σ = 1489632. Its totient is φ = 744768.

The previous prime is 1086149. The next prime is 1086161. The reversal of 1086155 is 5516801.

1086155 = T₁₄₀ + T₁₄₁ + ... + T₂₀₉.

It is an interprime number because it is at equal distance from previous prime (1086149) and next prime (1086161).

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 1086155 - 2⁴ = 1086139 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

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, 15482 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (186204).

2^1086155 is an apocalyptic number.

1086155 is a deficient number, since it is larger than the sum of its proper divisors (403477).

1086155 is an equidigital number, since it uses as much as digits as its factorization.

1086155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31045.

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

The square root of 1086155 is about 1042.1876030735. The cubic root of 1086155 is about 102.7930932997.

The spelling of 1086155 in words is "one million, eighty-six thousand, one hundred fifty-five".