126015228 has 36 divisors (see below), whose sum is σ = 322908768. Its totient is φ = 41428800.

The previous prime is 126015167. The next prime is 126015257. The reversal of 126015228 is 822510621.

It is a happy number.

126015228 is a `hidden beast` number, since 1 + 2 + 601 + 52 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21348 + ... + 26603.

It is an arithmetic number, because the mean of its divisors is an integer number (8969688).

Almost surely, 2^126015228 is an apocalyptic number.

126015228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126015228 is an abundant number, since it is smaller than the sum of its proper divisors (196893540).

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

126015228 is a wasteful number, since it uses less digits than its factorization.

126015228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48034 (or 48029 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 126015228 is about 11225.6504488604. The cubic root of 126015228 is about 501.3499891117.

Adding to 126015228 its reverse (822510621), we get a palindrome (948525849).

The spelling of 126015228 in words is "one hundred twenty-six million, fifteen thousand, two hundred twenty-eight".