122650634 has 8 divisors (see below), whose sum is σ = 188948388. Its totient is φ = 59667840.

The previous prime is 122650613. The next prime is 122650637. The reversal of 122650634 is 436056221.

It can be written as a sum of positive squares in 2 ways, for example, as 111408025 + 11242609 = 10555^2 + 3353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122650597 and 122650606.

It is not an unprimeable number, because it can be changed into a prime (122650637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828647 + ... + 828794.

Almost surely, 2^122650634 is an apocalyptic number.

122650634 is a deficient number, since it is larger than the sum of its proper divisors (66297754).

122650634 is a wasteful number, since it uses less digits than its factorization.

122650634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657480.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 122650634 is about 11074.7746703940. The cubic root of 122650634 is about 496.8476795178.

The spelling of 122650634 in words is "one hundred twenty-two million, six hundred fifty thousand, six hundred thirty-four".