1020125340115 has 16 divisors (see below), whose sum is σ = 1419910071552. Its totient is φ = 689074002144.

The previous prime is 1020125340109. The next prime is 1020125340119. The reversal of 1020125340115 is 5110435210201.

1020125340115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1020125340115 - 2³ = 1020125340107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020125340115.

It is not an unprimeable number, because it can be changed into a prime (1020125340119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217508389 + ... + 217513078.

It is an arithmetic number, because the mean of its divisors is an integer number (88744379472).

Almost surely, 2^{1020125340115} is an apocalyptic number.

1020125340115 is a deficient number, since it is larger than the sum of its proper divisors (399784731437).

1020125340115 is an equidigital number, since it uses as much as digits as its factorization.

1020125340115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435021546.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 1020125340115 in words is "one trillion, twenty billion, one hundred twenty-five million, three hundred forty thousand, one hundred fifteen".