126206032405 has 16 divisors (see below), whose sum is σ = 154744142400. Its totient is φ = 98783112960.

The previous prime is 126206032399. The next prime is 126206032409. The reversal of 126206032405 is 504230602621.

It is a de Polignac number, because none of the positive numbers 2^k-126206032405 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126206032409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951540 + ... + 1076029.

It is an arithmetic number, because the mean of its divisors is an integer number (9671508900).

Almost surely, 2^126206032405 is an apocalyptic number.

It is an amenable number.

126206032405 is a deficient number, since it is larger than the sum of its proper divisors (28538109995).

126206032405 is a wasteful number, since it uses less digits than its factorization.

126206032405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027844.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 126206032405 in words is "one hundred twenty-six billion, two hundred six million, thirty-two thousand, four hundred five".