122551004645 has 16 divisors (see below), whose sum is σ = 148421283120. Its totient is φ = 97134772224.

The previous prime is 122551004633. The next prime is 122551004651. The reversal of 122551004645 is 546400155221.

It can be written as a sum of positive squares in 8 ways, for example, as 55481918116 + 67069086529 = 235546^2 + 258977^2 .

It is a cyclic number.

It is not a de Polignac number, because 122551004645 - 2⁴ = 122551004629 is a prime.

It is a Curzon number.

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, 1432517 + ... + 1515653.

It is an arithmetic number, because the mean of its divisors is an integer number (9276330195).

Almost surely, 2^122551004645 is an apocalyptic number.

It is an amenable number.

122551004645 is a deficient number, since it is larger than the sum of its proper divisors (25870278475).

122551004645 is a wasteful number, since it uses less digits than its factorization.

122551004645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85864.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 122551004645 its reverse (546400155221), we get a palindrome (668951159866).

The spelling of 122551004645 in words is "one hundred twenty-two billion, five hundred fifty-one million, four thousand, six hundred forty-five".