123481147 has 2 divisors, whose sum is σ = 123481148. Its totient is φ = 123481146.

The previous prime is 123481129. The next prime is 123481177. The reversal of 123481147 is 741184321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123481147 is a prime.

It is not a weakly prime, because it can be changed into another prime (123481117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61740573 + 61740574.

It is an arithmetic number, because the mean of its divisors is an integer number (61740574).

Almost surely, 2^123481147 is an apocalyptic number.

123481147 is a deficient number, since it is larger than the sum of its proper divisors (1).

123481147 is an equidigital number, since it uses as much as digits as its factorization.

123481147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 123481147 is about 11112.2071165003. The cubic root of 123481147 is about 497.9666044820.

The spelling of 123481147 in words is "one hundred twenty-three million, four hundred eighty-one thousand, one hundred forty-seven".