122247151 has 16 divisors (see below), whose sum is σ = 139376160. Its totient is φ = 106404480.

The previous prime is 122247143. The next prime is 122247193. The reversal of 122247151 is 151742221.

It is not a de Polignac number, because 122247151 - 2³ = 122247143 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 (122247101) 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, 12441 + ... + 19981.

It is an arithmetic number, because the mean of its divisors is an integer number (8711010).

Almost surely, 2^122247151 is an apocalyptic number.

122247151 is a deficient number, since it is larger than the sum of its proper divisors (17129009).

122247151 is a wasteful number, since it uses less digits than its factorization.

122247151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626.

The product of its digits is 1120, while the sum is 25.

The square root of 122247151 is about 11056.5433567639. The cubic root of 122247151 is about 496.3022554511.

Adding to 122247151 its reverse (151742221), we get a palindrome (273989372).

The spelling of 122247151 in words is "one hundred twenty-two million, two hundred forty-seven thousand, one hundred fifty-one".