1203074146561 has 8 divisors (see below), whose sum is σ = 1374951938240. Its totient is φ = 1031198869008.

The previous prime is 1203074146543. The next prime is 1203074146577. The reversal of 1203074146561 is 1656414703021.

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

It is not a de Polignac number, because 1203074146561 - 2⁵ = 1203074146529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203074141561) 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, 542290 + ... + 1643236.

It is an arithmetic number, because the mean of its divisors is an integer number (171868992280).

Almost surely, 2^{1203074146561} is an apocalyptic number.

It is an amenable number.

1203074146561 is a deficient number, since it is larger than the sum of its proper divisors (171877791679).

1203074146561 is a wasteful number, since it uses less digits than its factorization.

1203074146561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257063.

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 1203074146561 its reverse (1656414703021), we get a palindrome (2859488849582).

The spelling of 1203074146561 in words is "one trillion, two hundred three billion, seventy-four million, one hundred forty-six thousand, five hundred sixty-one".