1202125445403 has 8 divisors (see below), whose sum is σ = 1602839288400. Its totient is φ = 801414283008.

The previous prime is 1202125445393. The next prime is 1202125445419. The reversal of 1202125445403 is 3045445212021.

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

It is not a de Polignac number, because 1202125445403 - 2¹⁷ = 1202125314331 is a prime.

It is a super-2 number, since 2×1202125445403² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202125445203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905443 + ... + 1795571.

It is an arithmetic number, because the mean of its divisors is an integer number (200354911050).

Almost surely, 2^{1202125445403} is an apocalyptic number.

1202125445403 is a deficient number, since it is larger than the sum of its proper divisors (400713842997).

1202125445403 is an equidigital number, since it uses as much as digits as its factorization.

1202125445403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340301.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 1202125445403 in words is "one trillion, two hundred two billion, one hundred twenty-five million, four hundred forty-five thousand, four hundred three".