126334021 has 48 divisors (see below), whose sum is σ = 163010880. Its totient is φ = 96422400.

The previous prime is 126334003. The next prime is 126334027. The reversal of 126334021 is 120433621.

It is not a de Polignac number, because 126334021 - 2¹¹ = 126331973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126333983 and 126334001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126334027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3414415 + ... + 3414451.

It is an arithmetic number, because the mean of its divisors is an integer number (3396060).

Almost surely, 2^126334021 is an apocalyptic number.

126334021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126334021 is a deficient number, since it is larger than the sum of its proper divisors (36676859).

126334021 is a wasteful number, since it uses less digits than its factorization.

126334021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 126334021 is about 11239.8407906874. The cubic root of 126334021 is about 501.7724044081.

Adding to 126334021 its reverse (120433621), we get a palindrome (246767642).

The spelling of 126334021 in words is "one hundred twenty-six million, three hundred thirty-four thousand, twenty-one".