122013147 has 4 divisors (see below), whose sum is σ = 162684200. Its totient is φ = 81342096.

The previous prime is 122013119. The next prime is 122013163. The reversal of 122013147 is 741310221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741310221 = 3 ⋅247103407.

It is not a de Polignac number, because 122013147 - 2¹⁰ = 122012123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122013167) 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, 20335522 + ... + 20335527.

It is an arithmetic number, because the mean of its divisors is an integer number (40671050).

Almost surely, 2^122013147 is an apocalyptic number.

122013147 is a deficient number, since it is larger than the sum of its proper divisors (40671053).

122013147 is an equidigital number, since it uses as much as digits as its factorization.

122013147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40671052.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 122013147 is about 11045.9561378814. The cubic root of 122013147 is about 495.9853812787.

Adding to 122013147 its reverse (741310221), we get a palindrome (863323368).

The spelling of 122013147 in words is "one hundred twenty-two million, thirteen thousand, one hundred forty-seven".