126213468 has 12 divisors (see below), whose sum is σ = 294498120. Its totient is φ = 42071152.

The previous prime is 126213467. The next prime is 126213469. The reversal of 126213468 is 864312621.

It is an interprime number because it is at equal distance from previous prime (126213467) and next prime (126213469).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126213463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5258883 + ... + 5258906.

It is an arithmetic number, because the mean of its divisors is an integer number (24541510).

Almost surely, 2^126213468 is an apocalyptic number.

It is an amenable number.

126213468 is an abundant number, since it is smaller than the sum of its proper divisors (168284652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126213468 is a wasteful number, since it uses less digits than its factorization.

126213468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10517796 (or 10517794 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 126213468 is about 11234.4767568410. The cubic root of 126213468 is about 501.6127498165.

The spelling of 126213468 in words is "one hundred twenty-six million, two hundred thirteen thousand, four hundred sixty-eight".