122639045147 has 2 divisors, whose sum is σ = 122639045148. Its totient is φ = 122639045146.

The previous prime is 122639045107. The next prime is 122639045159. The reversal of 122639045147 is 741540936221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122639045147 - 2¹² = 122639041051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122639045098 and 122639045107.

It is not a weakly prime, because it can be changed into another prime (122639045107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61319522573 + 61319522574.

It is an arithmetic number, because the mean of its divisors is an integer number (61319522574).

Almost surely, 2^122639045147 is an apocalyptic number.

122639045147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122639045147 is an equidigital number, since it uses as much as digits as its factorization.

122639045147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 122639045147 in words is "one hundred twenty-two billion, six hundred thirty-nine million, forty-five thousand, one hundred forty-seven".