126984483620 has 12 divisors (see below), whose sum is σ = 266667415644. Its totient is φ = 50793793440.

The previous prime is 126984483589. The next prime is 126984483629. The reversal of 126984483620 is 26384489621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61239421156 + 65745062464 = 247466^2 + 256408^2 .

It is a super-2 number, since 2×126984483620² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126984483629) 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 3 ways as a sum of consecutive naturals, for example, 3174612071 + ... + 3174612110.

It is an arithmetic number, because the mean of its divisors is an integer number (22222284637).

Almost surely, 2^126984483620 is an apocalyptic number.

126984483620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126984483620 is an abundant number, since it is smaller than the sum of its proper divisors (139682932024).

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

126984483620 is a wasteful number, since it uses less digits than its factorization.

126984483620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349224190 (or 6349224188 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 126984483620 in words is "one hundred twenty-six billion, nine hundred eighty-four million, four hundred eighty-three thousand, six hundred twenty".