122740767 has 12 divisors (see below), whose sum is σ = 177413184. Its totient is φ = 81771360.

The previous prime is 122740763. The next prime is 122740771. The reversal of 122740767 is 767047221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122740763) and next prime (122740771).

It is not a de Polignac number, because 122740767 - 2² = 122740763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122740763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12667 + ... + 20147.

It is an arithmetic number, because the mean of its divisors is an integer number (14784432).

Almost surely, 2^122740767 is an apocalyptic number.

122740767 is a deficient number, since it is larger than the sum of its proper divisors (54672417).

122740767 is a wasteful number, since it uses less digits than its factorization.

122740767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310 (or 9307 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 122740767 is about 11078.8432157875. The cubic root of 122740767 is about 496.9693568520.

Adding to 122740767 its reverse (767047221), we get a palindrome (889787988).

The spelling of 122740767 in words is "one hundred twenty-two million, seven hundred forty thousand, seven hundred sixty-seven".