1020040215245 has 8 divisors (see below), whose sum is σ = 1241288375040. Its totient is φ = 804538761040.

The previous prime is 1020040215197. The next prime is 1020040215301. The reversal of 1020040215245 is 5425120400201.

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

It is not a de Polignac number, because 1020040215245 - 2³⁶ = 951320738509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436676005 + ... + 1436676714.

It is an arithmetic number, because the mean of its divisors is an integer number (155161046880).

Almost surely, 2^{1020040215245} is an apocalyptic number.

It is an amenable number.

1020040215245 is a deficient number, since it is larger than the sum of its proper divisors (221248159795).

1020040215245 is an equidigital number, since it uses as much as digits as its factorization.

1020040215245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873352795.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 1020040215245 its reverse (5425120400201), we get a palindrome (6445160615446).

The spelling of 1020040215245 in words is "one trillion, twenty billion, forty million, two hundred fifteen thousand, two hundred forty-five".