126381256952 has 16 divisors (see below), whose sum is σ = 237435967440. Its totient is φ = 63064998976.

The previous prime is 126381256949. The next prime is 126381256973. The reversal of 126381256952 is 259652183621.

It is a self number, because there is not a number n which added to its sum of digits gives 126381256952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15699413 + ... + 15707460.

It is an arithmetic number, because the mean of its divisors is an integer number (14839747965).

Almost surely, 2^126381256952 is an apocalyptic number.

It is an amenable number.

126381256952 is a deficient number, since it is larger than the sum of its proper divisors (111054710488).

126381256952 is a wasteful number, since it uses less digits than its factorization.

126381256952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31407382 (or 31407378 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The spelling of 126381256952 in words is "one hundred twenty-six billion, three hundred eighty-one million, two hundred fifty-six thousand, nine hundred fifty-two".