20120125859 has 2 divisors, whose sum is σ = 20120125860. Its totient is φ = 20120125858.

The previous prime is 20120125819. The next prime is 20120125913. The reversal of 20120125859 is 95852102102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120125859 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120125819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060062929 + 10060062930.

It is an arithmetic number, because the mean of its divisors is an integer number (10060062930).

Almost surely, 2^20120125859 is an apocalyptic number.

20120125859 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120125859 is an equidigital number, since it uses as much as digits as its factorization.

20120125859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 20120125859 in words is "twenty billion, one hundred twenty million, one hundred twenty-five thousand, eight hundred fifty-nine".