122023526721 has 16 divisors (see below), whose sum is σ = 179758445184. Its totient is φ = 73234920704.

The previous prime is 122023526627. The next prime is 122023526741. The reversal of 122023526721 is 127625320221.

It is not a de Polignac number, because 122023526721 - 2²⁷ = 121889308993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122023526741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52012266 + ... + 52014611.

It is an arithmetic number, because the mean of its divisors is an integer number (11234902824).

Almost surely, 2^122023526721 is an apocalyptic number.

It is an amenable number.

122023526721 is a deficient number, since it is larger than the sum of its proper divisors (57734918463).

122023526721 is a wasteful number, since it uses less digits than its factorization.

122023526721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104026920.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 122023526721 its reverse (127625320221), we get a palindrome (249648846942).

The spelling of 122023526721 in words is "one hundred twenty-two billion, twenty-three million, five hundred twenty-six thousand, seven hundred twenty-one".