1275130 has 16 divisors (see below), whose sum is σ = 2374920. Its totient is φ = 492352.

The previous prime is 1275121. The next prime is 1275133. The reversal of 1275130 is 315721.

It can be written as a sum of positive squares in 4 ways, for example, as 1022121 + 253009 = 1011^2 + 503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1275098 and 1275107.

It is not an unprimeable number, because it can be changed into a prime (1275133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909 + ... + 2488.

2^1275130 is an apocalyptic number.

1275130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1275130 is a deficient number, since it is larger than the sum of its proper divisors (1099790).

1275130 is a wasteful number, since it uses less digits than its factorization.

1275130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1275130 is about 1129.2165425639. The cubic root of 1275130 is about 108.4388295147.

The spelling of 1275130 in words is "one million, two hundred seventy-five thousand, one hundred thirty".