1201426035265 has 16 divisors (see below), whose sum is σ = 1477622836800. Its totient is φ = 937271990592.

The previous prime is 1201426035239. The next prime is 1201426035269. The reversal of 1201426035265 is 5625306241021.

It is a cyclic number.

It is not a de Polignac number, because 1201426035265 - 2⁵ = 1201426035233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201426035269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4380670 + ... + 4646839.

It is an arithmetic number, because the mean of its divisors is an integer number (92351427300).

Almost surely, 2^{1201426035265} is an apocalyptic number.

It is an amenable number.

1201426035265 is a deficient number, since it is larger than the sum of its proper divisors (276196801535).

1201426035265 is an equidigital number, since it uses as much as digits as its factorization.

1201426035265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028176.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 1201426035265 in words is "one trillion, two hundred one billion, four hundred twenty-six million, thirty-five thousand, two hundred sixty-five".