1259055 has 36 divisors (see below), whose sum is σ = 2543112. Its totient is φ = 574560.

The previous prime is 1259053. The next prime is 1259057. The reversal of 1259055 is 5509521.

It is an interprime number because it is at equal distance from previous prime (1259053) and next prime (1259057).

It is not a de Polignac number, because 1259055 - 2¹ = 1259053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1920 + ... + 2490.

It is an arithmetic number, because the mean of its divisors is an integer number (70642).

2^1259055 is an apocalyptic number.

1259055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1259055 is an abundant number, since it is smaller than the sum of its proper divisors (1284057).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1259055 is a wasteful number, since it uses less digits than its factorization.

1259055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 1259055 is about 1122.0762006210. The cubic root of 1259055 is about 107.9812210147.

It can be divided in two parts, 125 and 9055, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 1259055 in words is "one million, two hundred fifty-nine thousand, fifty-five".