1475440345121 has 8 divisors (see below), whose sum is σ = 1532131173384. Its totient is φ = 1419735444480.

The previous prime is 1475440345117. The next prime is 1475440345201. The reversal of 1475440345121 is 1215430445741.

It can be written as a sum of positive squares in 4 ways, for example, as 89320288225 + 1386120056896 = 298865^2 + 1177336^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1475440345121 - 2² = 1475440345117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1475440345111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246478856 + ... + 246484841.

It is an arithmetic number, because the mean of its divisors is an integer number (191516396673).

Almost surely, 2^{1475440345121} is an apocalyptic number.

It is an amenable number.

1475440345121 is a deficient number, since it is larger than the sum of its proper divisors (56690828263).

1475440345121 is an equidigital number, since it uses as much as digits as its factorization.

1475440345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492963811.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 1475440345121 in words is "one trillion, four hundred seventy-five billion, four hundred forty million, three hundred forty-five thousand, one hundred twenty-one".