1025121315073 has 4 divisors (see below), whose sum is σ = 1025153698240. Its totient is φ = 1025088931908.

The previous prime is 1025121315061. The next prime is 1025121315083. The reversal of 1025121315073 is 3705131215201.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1025121315073 - 2⁵ = 1025121315041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025121315083) 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, 16144053 + ... + 16207426.

It is an arithmetic number, because the mean of its divisors is an integer number (256288424560).

Almost surely, 2^{1025121315073} is an apocalyptic number.

It is an amenable number.

1025121315073 is a deficient number, since it is larger than the sum of its proper divisors (32383167).

1025121315073 is an equidigital number, since it uses as much as digits as its factorization.

1025121315073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32383166.

The product of its (nonzero) digits is 6300, while the sum is 31.

The spelling of 1025121315073 in words is "one trillion, twenty-five billion, one hundred twenty-one million, three hundred fifteen thousand, seventy-three".