1252122345103 has 12 divisors (see below), whose sum is σ = 1519878766320. Its totient is φ = 1026584778912.

The previous prime is 1252122345079. The next prime is 1252122345107. The reversal of 1252122345103 is 3015432212521.

It is a happy number.

It is not a de Polignac number, because 1252122345103 - 2¹³ = 1252122336911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252122345107) 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, 555510118 + ... + 555512371.

It is an arithmetic number, because the mean of its divisors is an integer number (126656563860).

Almost surely, 2^{1252122345103} is an apocalyptic number.

1252122345103 is a deficient number, since it is larger than the sum of its proper divisors (267756421217).

1252122345103 is a wasteful number, since it uses less digits than its factorization.

1252122345103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111022526 (or 1111022519 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1252122345103 its reverse (3015432212521), we get a palindrome (4267554557624).

The spelling of 1252122345103 in words is "one trillion, two hundred fifty-two billion, one hundred twenty-two million, three hundred forty-five thousand, one hundred three".