126283832421 has 16 divisors (see below), whose sum is σ = 172272152448. Its totient is φ = 82260648000.

The previous prime is 126283832399. The next prime is 126283832473. The reversal of 126283832421 is 124238382621.

It is not a de Polignac number, because 126283832421 - 2⁶ = 126283832357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126283832221) 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, 2257386 + ... + 2312651.

It is an arithmetic number, because the mean of its divisors is an integer number (10767009528).

Almost surely, 2^126283832421 is an apocalyptic number.

It is an amenable number.

126283832421 is a deficient number, since it is larger than the sum of its proper divisors (45988320027).

126283832421 is a wasteful number, since it uses less digits than its factorization.

126283832421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570252.

The product of its digits is 221184, while the sum is 42.

The spelling of 126283832421 in words is "one hundred twenty-six billion, two hundred eighty-three million, eight hundred thirty-two thousand, four hundred twenty-one".