1255130 has 16 divisors (see below), whose sum is σ = 2272104. Its totient is φ = 499200.

The previous prime is 1255129. The next prime is 1255139. The reversal of 1255130 is 315521.

It can be written as a sum of positive squares in 4 ways, for example, as 994009 + 261121 = 997^2 + 511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1255099 and 1255108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 3330.

2^1255130 is an apocalyptic number.

1255130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255130 is a deficient number, since it is larger than the sum of its proper divisors (1016974).

1255130 is a wasteful number, since it uses less digits than its factorization.

1255130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1255130 is about 1120.3258454575. The cubic root of 1255130 is about 107.8688966997.

The spelling of 1255130 in words is "one million, two hundred fifty-five thousand, one hundred thirty".