128462951 has 2 divisors, whose sum is σ = 128462952. Its totient is φ = 128462950.

The previous prime is 128462911. The next prime is 128462959. The reversal of 128462951 is 159264821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128462951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128462959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64231475 + 64231476.

It is an arithmetic number, because the mean of its divisors is an integer number (64231476).

Almost surely, 2^128462951 is an apocalyptic number.

128462951 is a deficient number, since it is larger than the sum of its proper divisors (1).

128462951 is an equidigital number, since it uses as much as digits as its factorization.

128462951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 128462951 is about 11334.1497696122. The cubic root of 128462951 is about 504.5752740352.

The spelling of 128462951 in words is "one hundred twenty-eight million, four hundred sixty-two thousand, nine hundred fifty-one".