1201232147 has 2 divisors, whose sum is σ = 1201232148. Its totient is φ = 1201232146.

The previous prime is 1201232129. The next prime is 1201232243. The reversal of 1201232147 is 7412321021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201232147 - 2⁶ = 1201232083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201234147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600616073 + 600616074.

It is an arithmetic number, because the mean of its divisors is an integer number (600616074).

Almost surely, 2^1201232147 is an apocalyptic number.

1201232147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201232147 is an equidigital number, since it uses as much as digits as its factorization.

1201232147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1201232147 is about 34658.7960985375. The cubic root of 1201232147 is about 1063.0221535384.

Adding to 1201232147 its reverse (7412321021), we get a palindrome (8613553168).

The spelling of 1201232147 in words is "one billion, two hundred one million, two hundred thirty-two thousand, one hundred forty-seven".