122743502445 has 16 divisors (see below), whose sum is σ = 197017054272. Its totient is φ = 65254051200.

The previous prime is 122743502429. The next prime is 122743502471. The reversal of 122743502445 is 544205347221.

It is not a de Polignac number, because 122743502445 - 2⁴ = 122743502429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13067031 + ... + 13076420.

It is an arithmetic number, because the mean of its divisors is an integer number (12313565892).

Almost surely, 2^122743502445 is an apocalyptic number.

122743502445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122743502445 is a deficient number, since it is larger than the sum of its proper divisors (74273551827).

122743502445 is a wasteful number, since it uses less digits than its factorization.

122743502445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26143772.

The product of its (nonzero) digits is 268800, while the sum is 39.

Adding to 122743502445 its reverse (544205347221), we get a palindrome (666948849666).

The spelling of 122743502445 in words is "one hundred twenty-two billion, seven hundred forty-three million, five hundred two thousand, four hundred forty-five".