126450232405 has 32 divisors (see below), whose sum is σ = 189541693440. Its totient is φ = 78975682560.

The previous prime is 126450232379. The next prime is 126450232463. The reversal of 126450232405 is 504232054621.

It is not a de Polignac number, because 126450232405 - 2⁹ = 126450231893 is a prime.

It is a super-2 number, since 2×126450232405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3409320 + ... + 3446209.

It is an arithmetic number, because the mean of its divisors is an integer number (5923177920).

Almost surely, 2^126450232405 is an apocalyptic number.

It is an amenable number.

126450232405 is a deficient number, since it is larger than the sum of its proper divisors (63091461035).

126450232405 is a wasteful number, since it uses less digits than its factorization.

126450232405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855589.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 126450232405 in words is "one hundred twenty-six billion, four hundred fifty million, two hundred thirty-two thousand, four hundred five".