70120147 has 2 divisors, whose sum is σ = 70120148. Its totient is φ = 70120146.

The previous prime is 70120139. The next prime is 70120151. The reversal of 70120147 is 74102107.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70120147 - 2³ = 70120139 is a prime.

It is not a weakly prime, because it can be changed into another prime (70120157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060073 + 35060074.

It is an arithmetic number, because the mean of its divisors is an integer number (35060074).

Almost surely, 2^70120147 is an apocalyptic number.

70120147 is a deficient number, since it is larger than the sum of its proper divisors (1).

70120147 is an equidigital number, since it uses as much as digits as its factorization.

70120147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 70120147 is about 8373.7773435887. Note that the first 3 decimals coincide. The cubic root of 70120147 is about 412.3641857140.

The spelling of 70120147 in words is "seventy million, one hundred twenty thousand, one hundred forty-seven".