1240793133 has 16 divisors (see below), whose sum is σ = 1667143296. Its totient is φ = 820836800.

The previous prime is 1240793129. The next prime is 1240793189. The reversal of 1240793133 is 3313970421.

It is a cyclic number.

It is not a de Polignac number, because 1240793133 - 2² = 1240793129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240793094 and 1240793103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240783133) 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 15 ways as a sum of consecutive naturals, for example, 349435 + ... + 352967.

It is an arithmetic number, because the mean of its divisors is an integer number (104196456).

Almost surely, 2^1240793133 is an apocalyptic number.

It is an amenable number.

1240793133 is a deficient number, since it is larger than the sum of its proper divisors (426350163).

1240793133 is a wasteful number, since it uses less digits than its factorization.

1240793133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1240793133 is about 35224.8936549140. The cubic root of 1240793133 is about 1074.5660792083.

The spelling of 1240793133 in words is "one billion, two hundred forty million, seven hundred ninety-three thousand, one hundred thirty-three".