1275531230 has 16 divisors (see below), whose sum is σ = 2296545264. Its totient is φ = 510081600.

The previous prime is 1275531227. The next prime is 1275531241. The reversal of 1275531230 is 321355721.

It is a junction number, because it is equal to n+sod(n) for n = 1275531193 and 1275531202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31130 + ... + 59330.

It is an arithmetic number, because the mean of its divisors is an integer number (143534079).

Almost surely, 2^1275531230 is an apocalyptic number.

1275531230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1275531230 is a deficient number, since it is larger than the sum of its proper divisors (1021014034).

1275531230 is a wasteful number, since it uses less digits than its factorization.

1275531230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32731.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1275531230 is about 35714.5800759298. The cubic root of 1275531230 is about 1084.5020204115.

Adding to 1275531230 its reverse (321355721), we get a palindrome (1596886951).

The spelling of 1275531230 in words is "one billion, two hundred seventy-five million, five hundred thirty-one thousand, two hundred thirty".