122040002045 has 16 divisors (see below), whose sum is σ = 158299550640. Its totient is φ = 89786809344.

The previous prime is 122040002041. The next prime is 122040002053. The reversal of 122040002045 is 540200040221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4063552516 + 117976449529 = 63746^2 + 343477^2 .

It is a cyclic number.

It is not a de Polignac number, because 122040002045 - 2² = 122040002041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122040002041) 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, 3472364 + ... + 3507333.

It is an arithmetic number, because the mean of its divisors is an integer number (9893721915).

Almost surely, 2^122040002045 is an apocalyptic number.

It is an amenable number.

122040002045 is a deficient number, since it is larger than the sum of its proper divisors (36259548595).

122040002045 is a wasteful number, since it uses less digits than its factorization.

122040002045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979984.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 122040002045 its reverse (540200040221), we get a palindrome (662240042266).

The spelling of 122040002045 in words is "one hundred twenty-two billion, forty million, two thousand, forty-five".