126361671508 has 48 divisors (see below), whose sum is σ = 227458690704. Its totient is φ = 61386716160.

The previous prime is 126361671487. The next prime is 126361671539. The reversal of 126361671508 is 805176163621.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 14342936644 + 112018734864 = 119762^2 + 334692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57098610 + ... + 57100822.

It is an arithmetic number, because the mean of its divisors is an integer number (4738722723).

Almost surely, 2^126361671508 is an apocalyptic number.

It is an amenable number.

126361671508 is a deficient number, since it is larger than the sum of its proper divisors (101097019196).

126361671508 is a wasteful number, since it uses less digits than its factorization.

126361671508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 126361671508 in words is "one hundred twenty-six billion, three hundred sixty-one million, six hundred seventy-one thousand, five hundred eight".