126212664 has 32 divisors (see below), whose sum is σ = 316855440. Its totient is φ = 41894400.

The previous prime is 126212633. The next prime is 126212683. The reversal of 126212664 is 466212621.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5127 + ... + 16694.

Almost surely, 2^126212664 is an apocalyptic number.

It is an amenable number.

126212664 is an abundant number, since it is smaller than the sum of its proper divisors (190642776).

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

126212664 is a wasteful number, since it uses less digits than its factorization.

126212664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22071 (or 22067 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 126212664 is about 11234.4409740761. The cubic root of 126212664 is about 501.6116846964.

The spelling of 126212664 in words is "one hundred twenty-six million, two hundred twelve thousand, six hundred sixty-four".