1223625707245 has 16 divisors (see below), whose sum is σ = 1556032025520. Its totient is φ = 922093043200.

The previous prime is 1223625707231. The next prime is 1223625707251. The reversal of 1223625707245 is 5427075263221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7001316 + 1223618705929 = 2646^2 + 1106173^2 .

It is not a de Polignac number, because 1223625707245 - 2²¹ = 1223623610093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223625707195 and 1223625707204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102906226 + ... + 102918115.

It is an arithmetic number, because the mean of its divisors is an integer number (97252001595).

Almost surely, 2^{1223625707245} is an apocalyptic number.

It is an amenable number.

1223625707245 is a deficient number, since it is larger than the sum of its proper divisors (332406318275).

1223625707245 is a wasteful number, since it uses less digits than its factorization.

1223625707245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205824416.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 1223625707245 in words is "one trillion, two hundred twenty-three billion, six hundred twenty-five million, seven hundred seven thousand, two hundred forty-five".