122536147 has 2 divisors, whose sum is σ = 122536148. Its totient is φ = 122536146.

The previous prime is 122536133. The next prime is 122536181. The reversal of 122536147 is 741635221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122536147 - 2¹⁵ = 122503379 is a prime.

It is not a weakly prime, because it can be changed into another prime (122536247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61268073 + 61268074.

It is an arithmetic number, because the mean of its divisors is an integer number (61268074).

Almost surely, 2^122536147 is an apocalyptic number.

122536147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122536147 is an equidigital number, since it uses as much as digits as its factorization.

122536147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 122536147 is about 11069.6046451533. The cubic root of 122536147 is about 496.6930389031.

The spelling of 122536147 in words is "one hundred twenty-two million, five hundred thirty-six thousand, one hundred forty-seven".