126431153850243 has 32 divisors (see below), whose sum is σ = 193873810540032. Its totient is φ = 72537820185600.

The previous prime is 126431153850233. The next prime is 126431153850257. The reversal of 126431153850243 is 342058351134621.

It is not a de Polignac number, because 126431153850243 - 2²¹ = 126431151753091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126431153850192 and 126431153850201.

It is not an unprimeable number, because it can be changed into a prime (126431153850233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858565348 + ... + 858712593.

It is an arithmetic number, because the mean of its divisors is an integer number (6058556579376).

Almost surely, 2^{126431153850243} is an apocalyptic number.

126431153850243 is a deficient number, since it is larger than the sum of its proper divisors (67442656689789).

126431153850243 is a wasteful number, since it uses less digits than its factorization.

126431153850243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717278075.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 126431153850243 in words is "one hundred twenty-six trillion, four hundred thirty-one billion, one hundred fifty-three million, eight hundred fifty thousand, two hundred forty-three".