122898623761 has 9 divisors (see below), whose sum is σ = 129714441993. Its totient is φ = 116423964900.

The previous prime is 122898623759. The next prime is 122898623767. The reversal of 122898623761 is 167326898221.

The square root of 122898623761 is 350569.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 122898623761 - 2¹ = 122898623759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122898623767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6651586 + ... + 6670036.

It is an arithmetic number, because the mean of its divisors is an integer number (14412715777).

Almost surely, 2^122898623761 is an apocalyptic number.

122898623761 is the 350569-th square number.

122898623761 is the 175285-th centered octagonal number.

It is an amenable number.

122898623761 is a deficient number, since it is larger than the sum of its proper divisors (6815818232).

122898623761 is an frugal number, since it uses more digits than its factorization.

122898623761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36940 (or 18470 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The spelling of 122898623761 in words is "one hundred twenty-two billion, eight hundred ninety-eight million, six hundred twenty-three thousand, seven hundred sixty-one".