126857264120 has 32 divisors (see below), whose sum is σ = 285870060000. Its totient is φ = 50664467328.

The previous prime is 126857264117. The next prime is 126857264123. The reversal of 126857264120 is 21462758621.

126857264120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (126857264117) and next prime (126857264123).

It is a super-2 number, since 2×126857264120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126857264123) 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, 2424995 + ... + 2476754.

It is an arithmetic number, because the mean of its divisors is an integer number (8933439375).

Almost surely, 2^126857264120 is an apocalyptic number.

126857264120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126857264120 is an abundant number, since it is smaller than the sum of its proper divisors (159012795880).

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

126857264120 is a wasteful number, since it uses less digits than its factorization.

126857264120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902407 (or 4902403 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 126857264120 in words is "one hundred twenty-six billion, eight hundred fifty-seven million, two hundred sixty-four thousand, one hundred twenty".