126437201 has 8 divisors (see below), whose sum is σ = 140193408. Its totient is φ = 113058000.

The previous prime is 126437173. The next prime is 126437221. The reversal of 126437201 is 102734621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126437201 - 2¹⁸ = 126175057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126437221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93545 + ... + 94886.

It is an arithmetic number, because the mean of its divisors is an integer number (17524176).

Almost surely, 2^126437201 is an apocalyptic number.

126437201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126437201 is a deficient number, since it is larger than the sum of its proper divisors (13756207).

126437201 is a wasteful number, since it uses less digits than its factorization.

126437201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188503.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 126437201 is about 11244.4297765605. The cubic root of 126437201 is about 501.9089703886.

The spelling of 126437201 in words is "one hundred twenty-six million, four hundred thirty-seven thousand, two hundred one".