126421246552 has 32 divisors (see below), whose sum is σ = 238532936400. Its totient is φ = 62813245824.

The previous prime is 126421246543. The next prime is 126421246591. The reversal of 126421246552 is 255642124621.

It is a congruent number.

It is an unprimeable number.

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, 1258123 + ... + 1354885.

Almost surely, 2^126421246552 is an apocalyptic number.

It is an amenable number.

126421246552 is a deficient number, since it is larger than the sum of its proper divisors (112111689848).

126421246552 is a wasteful number, since it uses less digits than its factorization.

126421246552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97795 (or 97791 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 126421246552 in words is "one hundred twenty-six billion, four hundred twenty-one million, two hundred forty-six thousand, five hundred fifty-two".