202130947 has 2 divisors, whose sum is σ = 202130948. Its totient is φ = 202130946.

The previous prime is 202130939. The next prime is 202130953. The reversal of 202130947 is 749031202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202130947 - 2³ = 202130939 is a prime.

It is not a weakly prime, because it can be changed into another prime (202130147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065473 + 101065474.

It is an arithmetic number, because the mean of its divisors is an integer number (101065474).

Almost surely, 2^202130947 is an apocalyptic number.

202130947 is a deficient number, since it is larger than the sum of its proper divisors (1).

202130947 is an equidigital number, since it uses as much as digits as its factorization.

202130947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 202130947 is about 14217.2763566022. The cubic root of 202130947 is about 586.8731900663.

The spelling of 202130947 in words is "two hundred two million, one hundred thirty thousand, nine hundred forty-seven".