1202126147 has 2 divisors, whose sum is σ = 1202126148. Its totient is φ = 1202126146.

The previous prime is 1202126099. The next prime is 1202126179. The reversal of 1202126147 is 7416212021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202126147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202126197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601063073 + 601063074.

It is an arithmetic number, because the mean of its divisors is an integer number (601063074).

Almost surely, 2^1202126147 is an apocalyptic number.

1202126147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202126147 is an equidigital number, since it uses as much as digits as its factorization.

1202126147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1202126147 is about 34671.6908586818. The cubic root of 1202126147 is about 1063.2858012010.

Adding to 1202126147 its reverse (7416212021), we get a palindrome (8618338168).

The spelling of 1202126147 in words is "one billion, two hundred two million, one hundred twenty-six thousand, one hundred forty-seven".