122740501 has 16 divisors (see below), whose sum is σ = 137417728. Its totient is φ = 108864000.

The previous prime is 122740481. The next prime is 122740517. The reversal of 122740501 is 105047221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122740501 - 2¹⁵ = 122707733 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 (122740201) 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, 59845 + ... + 61861.

It is an arithmetic number, because the mean of its divisors is an integer number (8588608).

Almost surely, 2^122740501 is an apocalyptic number.

It is an amenable number.

122740501 is a deficient number, since it is larger than the sum of its proper divisors (14677227).

122740501 is a wasteful number, since it uses less digits than its factorization.

122740501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 122740501 is about 11078.8312109175. The cubic root of 122740501 is about 496.9689978462.

Adding to 122740501 its reverse (105047221), we get a palindrome (227787722).

The spelling of 122740501 in words is "one hundred twenty-two million, seven hundred forty thousand, five hundred one".