126217353475 has 12 divisors (see below), whose sum is σ = 156532090680. Its totient is φ = 100959320000.

The previous prime is 126217353403. The next prime is 126217353491. The reversal of 126217353475 is 574353712621.

It is not a de Polignac number, because 126217353475 - 2⁷ = 126217353347 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 185545 + ... + 535594.

It is an arithmetic number, because the mean of its divisors is an integer number (13044340890).

Almost surely, 2^126217353475 is an apocalyptic number.

126217353475 is a deficient number, since it is larger than the sum of its proper divisors (30314737205).

126217353475 is an equidigital number, since it uses as much as digits as its factorization.

126217353475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728150 (or 728145 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The spelling of 126217353475 in words is "one hundred twenty-six billion, two hundred seventeen million, three hundred fifty-three thousand, four hundred seventy-five".