122650501 has 4 divisors (see below), whose sum is σ = 123177132. Its totient is φ = 122123872.

The previous prime is 122650481. The next prime is 122650531. The reversal of 122650501 is 105056221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105056221 = 1913 ⋅54917.

It can be written as a sum of positive squares in 2 ways, for example, as 63760225 + 58890276 = 7985^2 + 7674^2 .

It is a cyclic number.

It is not a de Polignac number, because 122650501 - 2⁷ = 122650373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122650531) 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, 262966 + ... + 263431.

It is an arithmetic number, because the mean of its divisors is an integer number (30794283).

Almost surely, 2^122650501 is an apocalyptic number.

It is an amenable number.

122650501 is a deficient number, since it is larger than the sum of its proper divisors (526631).

122650501 is an equidigital number, since it uses as much as digits as its factorization.

122650501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526630.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 122650501 is about 11074.7686657555. The cubic root of 122650501 is about 496.8474999271.

The spelling of 122650501 in words is "one hundred twenty-two million, six hundred fifty thousand, five hundred one".