1275730430 has 16 divisors (see below), whose sum is σ = 2472954624. Its totient is φ = 471038880.

The previous prime is 1275730429. The next prime is 1275730453. The reversal of 1275730430 is 340375721.

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, 4906526 + ... + 4906785.

It is an arithmetic number, because the mean of its divisors is an integer number (154559664).

Almost surely, 2^1275730430 is an apocalyptic number.

1275730430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1275730430 is a deficient number, since it is larger than the sum of its proper divisors (1197224194).

1275730430 is a wasteful number, since it uses less digits than its factorization.

1275730430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9813331.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1275730430 is about 35717.3687440718. The cubic root of 1275730430 is about 1084.5584731146.

The spelling of 1275730430 in words is "one billion, two hundred seventy-five million, seven hundred thirty thousand, four hundred thirty".