126201258 has 12 divisors (see below), whose sum is σ = 273436098. Its totient is φ = 42067080.

The previous prime is 126201233. The next prime is 126201263. The reversal of 126201258 is 852102621.

It is a happy number.

126201258 is a `hidden beast` number, since 12 + 620 + 1 + 25 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121286169 + 4915089 = 11013^2 + 2217^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3505573 + ... + 3505608.

Almost surely, 2^126201258 is an apocalyptic number.

126201258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126201258 is an abundant number, since it is smaller than the sum of its proper divisors (147234840).

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

126201258 is a wasteful number, since it uses less digits than its factorization.

126201258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011189 (or 7011186 counting only the distinct ones).

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

The square root of 126201258 is about 11233.9333272011. The cubic root of 126201258 is about 501.5965738111.

Adding to 126201258 its reverse (852102621), we get a palindrome (978303879).

The spelling of 126201258 in words is "one hundred twenty-six million, two hundred one thousand, two hundred fifty-eight".