126401235 has 16 divisors (see below), whose sum is σ = 204034464. Its totient is φ = 66816512.

The previous prime is 126401221. The next prime is 126401251. The reversal of 126401235 is 532104621.

It is a cyclic number.

It is not a de Polignac number, because 126401235 - 2⁵ = 126401203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35592 + ... + 38981.

It is an arithmetic number, because the mean of its divisors is an integer number (12752154).

Almost surely, 2^126401235 is an apocalyptic number.

126401235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126401235 is a deficient number, since it is larger than the sum of its proper divisors (77633229).

126401235 is a wasteful number, since it uses less digits than its factorization.

126401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74694.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 126401235 is about 11242.8303820702. The cubic root of 126401235 is about 501.8613752985.

Adding to 126401235 its reverse (532104621), we get a palindrome (658505856).

The spelling of 126401235 in words is "one hundred twenty-six million, four hundred one thousand, two hundred thirty-five".