1280923925235 has 8 divisors (see below), whose sum is σ = 2049478280400. Its totient is φ = 683159426784.

The previous prime is 1280923925233. The next prime is 1280923925257. The reversal of 1280923925235 is 5325293290821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1280923925235 - 2¹ = 1280923925233 is a prime.

It is a super-2 number, since 2×1280923925235² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1280923925231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42697464160 + ... + 42697464189.

It is an arithmetic number, because the mean of its divisors is an integer number (256184785050).

Almost surely, 2^{1280923925235} is an apocalyptic number.

1280923925235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1280923925235 is a deficient number, since it is larger than the sum of its proper divisors (768554355165).

1280923925235 is an equidigital number, since it uses as much as digits as its factorization.

1280923925235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85394928357.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 1280923925235 in words is "one trillion, two hundred eighty billion, nine hundred twenty-three million, nine hundred twenty-five thousand, two hundred thirty-five".