126200242 has 16 divisors (see below), whose sum is σ = 227730240. Its totient is φ = 51239088.

The previous prime is 126200189. The next prime is 126200317. The reversal of 126200242 is 242002621.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 236953 + ... + 237484.

It is an arithmetic number, because the mean of its divisors is an integer number (14233140).

Almost surely, 2^126200242 is an apocalyptic number.

126200242 is a deficient number, since it is larger than the sum of its proper divisors (101529998).

126200242 is a wasteful number, since it uses less digits than its factorization.

126200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474465.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 126200242 is about 11233.8881069735. Note that the first 3 decimals coincide. The cubic root of 126200242 is about 501.5952277509.

Adding to 126200242 its reverse (242002621), we get a palindrome (368202863).

The spelling of 126200242 in words is "one hundred twenty-six million, two hundred thousand, two hundred forty-two".