126023215 has 16 divisors (see below), whose sum is σ = 159436800. Its totient is φ = 95484960.

The previous prime is 126023213. The next prime is 126023231. The reversal of 126023215 is 512320621.

It is not a de Polignac number, because 126023215 - 2¹ = 126023213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126023213) 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, 1365 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (9964800).

Almost surely, 2^126023215 is an apocalyptic number.

126023215 is a deficient number, since it is larger than the sum of its proper divisors (33413585).

126023215 is a wasteful number, since it uses less digits than its factorization.

126023215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17382.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 126023215 is about 11226.0061909835. The cubic root of 126023215 is about 501.3605809474.

Adding to 126023215 its reverse (512320621), we get a palindrome (638343836).

The spelling of 126023215 in words is "one hundred twenty-six million, twenty-three thousand, two hundred fifteen".