1255532930 has 16 divisors (see below), whose sum is σ = 2262290040. Its totient is φ = 501695232.

The previous prime is 1255532911. The next prime is 1255532969. The reversal of 1255532930 is 392355521.

It can be written as a sum of positive squares in 4 ways, for example, as 1250966161 + 4566769 = 35369^2 + 2137^2 .

It is a Curzon 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, 54485 + ... + 74024.

Almost surely, 2^1255532930 is an apocalyptic number.

1255532930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255532930 is a deficient number, since it is larger than the sum of its proper divisors (1006757110).

1255532930 is a wasteful number, since it uses less digits than its factorization.

1255532930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129493.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 1255532930 is about 35433.5001093598. The cubic root of 1255532930 is about 1078.8043838980.

The spelling of 1255532930 in words is "one billion, two hundred fifty-five million, five hundred thirty-two thousand, nine hundred thirty".