1020604615133 has 4 divisors (see below), whose sum is σ = 1022024093760. Its totient is φ = 1019185136508.

The previous prime is 1020604615109. The next prime is 1020604615157. The reversal of 1020604615133 is 3315164060201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1020604615109) and next prime (1020604615157).

It is a cyclic number.

It is not a de Polignac number, because 1020604615133 - 2¹⁴ = 1020604598749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020604615133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020604605133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709738235 + ... + 709739672.

It is an arithmetic number, because the mean of its divisors is an integer number (255506023440).

Almost surely, 2^{1020604615133} is an apocalyptic number.

It is an amenable number.

1020604615133 is a deficient number, since it is larger than the sum of its proper divisors (1419478627).

1020604615133 is an equidigital number, since it uses as much as digits as its factorization.

1020604615133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419478626.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 1020604615133 its reverse (3315164060201), we get a palindrome (4335768675334).

The spelling of 1020604615133 in words is "one trillion, twenty billion, six hundred four million, six hundred fifteen thousand, one hundred thirty-three".