126750762520 has 32 divisors (see below), whose sum is σ = 286938857520. Its totient is φ = 50389257600.

The previous prime is 126750762517. The next prime is 126750762527. The reversal of 126750762520 is 25267057621.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126750762527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9713631 + ... + 9726670.

Almost surely, 2^126750762520 is an apocalyptic number.

126750762520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126750762520 is an abundant number, since it is smaller than the sum of its proper divisors (160188095000).

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

126750762520 is a wasteful number, since it uses less digits than its factorization.

126750762520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19440475 (or 19440471 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 126750762520 in words is "one hundred twenty-six billion, seven hundred fifty million, seven hundred sixty-two thousand, five hundred twenty".