126481213762 has 4 divisors (see below), whose sum is σ = 189721820646. Its totient is φ = 63240606880.

The previous prime is 126481213699. The next prime is 126481213769. The reversal of 126481213762 is 267312184621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90449961001 + 36031252761 = 300749^2 + 189819^2 .

It is not an unprimeable number, because it can be changed into a prime (126481213769) 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 as a sum of consecutive naturals, namely, 31620303439 + ... + 31620303442.

Almost surely, 2^126481213762 is an apocalyptic number.

126481213762 is a deficient number, since it is larger than the sum of its proper divisors (63240606884).

126481213762 is an equidigital number, since it uses as much as digits as its factorization.

126481213762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63240606883.

The product of its digits is 193536, while the sum is 43.

The spelling of 126481213762 in words is "one hundred twenty-six billion, four hundred eighty-one million, two hundred thirteen thousand, seven hundred sixty-two".