126462021 has 16 divisors (see below), whose sum is σ = 192872064. Its totient is φ = 72201024.

The previous prime is 126462013. The next prime is 126462059. The reversal of 126462021 is 120264621.

It is not a de Polignac number, because 126462021 - 2³ = 126462013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126461982 and 126462000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126464021) 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, 33775 + ... + 37331.

It is an arithmetic number, because the mean of its divisors is an integer number (12054504).

Almost surely, 2^126462021 is an apocalyptic number.

It is an amenable number.

126462021 is a deficient number, since it is larger than the sum of its proper divisors (66410043).

126462021 is a wasteful number, since it uses less digits than its factorization.

126462021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 126462021 is about 11245.5333799691. The cubic root of 126462021 is about 501.9418103163.

The spelling of 126462021 in words is "one hundred twenty-six million, four hundred sixty-two thousand, twenty-one".