122048537601 has 4 divisors (see below), whose sum is σ = 162731383472. Its totient is φ = 81365691732.

The previous prime is 122048537591. The next prime is 122048537609. The reversal of 122048537601 is 106735840221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106735840221 = 3 ⋅35578613407.

It is not a de Polignac number, because 122048537601 - 2²¹ = 122046440449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122048537601.

It is not an unprimeable number, because it can be changed into a prime (122048537609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20341422931 + ... + 20341422936.

It is an arithmetic number, because the mean of its divisors is an integer number (40682845868).

Almost surely, 2^122048537601 is an apocalyptic number.

It is an amenable number.

122048537601 is a deficient number, since it is larger than the sum of its proper divisors (40682845871).

122048537601 is an equidigital number, since it uses as much as digits as its factorization.

122048537601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40682845870.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 122048537601 in words is "one hundred twenty-two billion, forty-eight million, five hundred thirty-seven thousand, six hundred one".