1264402624120 has 32 divisors (see below), whose sum is σ = 2848586317920. Its totient is φ = 505106753920.

The previous prime is 1264402624097. The next prime is 1264402624129. The reversal of 1264402624120 is 214262044621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264402624129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20415436 + ... + 20477275.

It is an arithmetic number, because the mean of its divisors is an integer number (89018322435).

Almost surely, 2^{1264402624120} is an apocalyptic number.

1264402624120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264402624120 is an abundant number, since it is smaller than the sum of its proper divisors (1584183693800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264402624120 is a wasteful number, since it uses less digits than its factorization.

1264402624120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40893495 (or 40893491 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 1264402624120 its reverse (214262044621), we get a palindrome (1478664668741).

The spelling of 1264402624120 in words is "one trillion, two hundred sixty-four billion, four hundred two million, six hundred twenty-four thousand, one hundred twenty".