1250055 has 12 divisors (see below), whose sum is σ = 2166840. Its totient is φ = 666672.

The previous prime is 1250023. The next prime is 1250057. The reversal of 1250055 is 5500521.

It is not a de Polignac number, because 1250055 - 2⁵ = 1250023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13845 + ... + 13934.

It is an arithmetic number, because the mean of its divisors is an integer number (180570).

2^1250055 is an apocalyptic number.

1250055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1250055 is a deficient number, since it is larger than the sum of its proper divisors (916785).

1250055 is a wasteful number, since it uses less digits than its factorization.

1250055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27790 (or 27787 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 1250055 is about 1118.0585852271. The cubic root of 1250055 is about 107.7233143972.

Adding to 1250055 its reverse (5500521), we get a palindrome (6750576).

The spelling of 1250055 in words is "one million, two hundred fifty thousand, fifty-five".