128957051 has 2 divisors, whose sum is σ = 128957052. Its totient is φ = 128957050.

The previous prime is 128957041. The next prime is 128957071. The reversal of 128957051 is 150759821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128957051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128956996 and 128957014.

It is not a weakly prime, because it can be changed into another prime (128957041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64478525 + 64478526.

It is an arithmetic number, because the mean of its divisors is an integer number (64478526).

Almost surely, 2^128957051 is an apocalyptic number.

128957051 is a deficient number, since it is larger than the sum of its proper divisors (1).

128957051 is an equidigital number, since it uses as much as digits as its factorization.

128957051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 128957051 is about 11355.9258099021. The cubic root of 128957051 is about 505.2213531463.

The spelling of 128957051 in words is "one hundred twenty-eight million, nine hundred fifty-seven thousand, fifty-one".