1072403279225 has 12 divisors (see below), whose sum is σ = 1330066985964. Its totient is φ = 857737513920.

The previous prime is 1072403279221. The next prime is 1072403279249. The reversal of 1072403279225 is 5229723042701.

It can be written as a sum of positive squares in 6 ways, for example, as 166396278889 + 906007000336 = 407917^2 + 951844^2 .

It is not a de Polignac number, because 1072403279225 - 2² = 1072403279221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072403279221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4509494 + ... + 4741343.

It is an arithmetic number, because the mean of its divisors is an integer number (110838915497).

Almost surely, 2^{1072403279225} is an apocalyptic number.

It is an amenable number.

1072403279225 is a deficient number, since it is larger than the sum of its proper divisors (257663706739).

1072403279225 is an equidigital number, since it uses as much as digits as its factorization.

1072403279225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9255484 (or 9255479 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 1072403279225 in words is "one trillion, seventy-two billion, four hundred three million, two hundred seventy-nine thousand, two hundred twenty-five".