1020125415403 has 8 divisors (see below), whose sum is σ = 1080927595520. Its totient is φ = 960034372200.

The previous prime is 1020125415383. The next prime is 1020125415457. The reversal of 1020125415403 is 3045145210201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020125415403 - 2²⁵ = 1020091860971 is a prime.

It is a super-2 number, since 2×1020125415403² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020125415493) 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, 177781275 + ... + 177787012.

It is an arithmetic number, because the mean of its divisors is an integer number (135115949440).

Almost surely, 2^{1020125415403} is an apocalyptic number.

1020125415403 is a deficient number, since it is larger than the sum of its proper divisors (60802180117).

1020125415403 is a wasteful number, since it uses less digits than its factorization.

1020125415403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355568457.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 1020125415403 in words is "one trillion, twenty billion, one hundred twenty-five million, four hundred fifteen thousand, four hundred three".