1159655 has 16 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 748032.

The previous prime is 1159649. The next prime is 1159661. The reversal of 1159655 is 5569511.

1159655 = T₉₃ + T₉₄ + ... + T₁₉₇.

It is an interprime number because it is at equal distance from previous prime (1159649) and next prime (1159661).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1159655 is a prime.

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, 380 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

2^1159655 is an apocalyptic number.

1159655 is a deficient number, since it is larger than the sum of its proper divisors (525145).

1159655 is a wasteful number, since it uses less digits than its factorization.

1159655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its digits is 6750, while the sum is 32.

The square root of 1159655 is about 1076.8727872873. The cubic root of 1159655 is about 105.0613398204.

The spelling of 1159655 in words is "one million, one hundred fifty-nine thousand, six hundred fifty-five".