126353748580 has 24 divisors (see below), whose sum is σ = 265351601592. Its totient is φ = 50539836672.

The previous prime is 126353748559. The next prime is 126353748601. The reversal of 126353748580 is 85847353621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126353748559) and next prime (126353748601).

It can be written as a sum of positive squares in 4 ways, for example, as 12772616256 + 113581132324 = 113016^2 + 337018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654024 + ... + 824896.

It is an arithmetic number, because the mean of its divisors is an integer number (11056316733).

Almost surely, 2^126353748580 is an apocalyptic number.

126353748580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126353748580 is an abundant number, since it is smaller than the sum of its proper divisors (138997853012).

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

126353748580 is a wasteful number, since it uses less digits than its factorization.

126353748580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207855 (or 207853 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 126353748580 in words is "one hundred twenty-six billion, three hundred fifty-three million, seven hundred forty-eight thousand, five hundred eighty".