126200015 has 16 divisors (see below), whose sum is σ = 154115136. Its totient is φ = 99187200.

The previous prime is 126199987. The next prime is 126200017. The reversal of 126200015 is 510002621.

It is not a de Polignac number, because 126200015 - 2¹⁶ = 126134479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126199966 and 126200002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126200017) 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, 153305 + ... + 154125.

It is an arithmetic number, because the mean of its divisors is an integer number (9632196).

Almost surely, 2^126200015 is an apocalyptic number.

126200015 is a deficient number, since it is larger than the sum of its proper divisors (27915121).

126200015 is an equidigital number, since it uses as much as digits as its factorization.

126200015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 126200015 is about 11233.8780036103. The cubic root of 126200015 is about 501.5949270061.

Adding to 126200015 its reverse (510002621), we get a palindrome (636202636).

The spelling of 126200015 in words is "one hundred twenty-six million, two hundred thousand, fifteen".