105402455129 has 2 divisors, whose sum is σ = 105402455130. Its totient is φ = 105402455128.

The previous prime is 105402455087. The next prime is 105402455173. The reversal of 105402455129 is 921554204501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100603152400 + 4799302729 = 317180^2 + 69277^2 .

It is a cyclic number.

It is not a de Polignac number, because 105402455129 - 2⁸ = 105402454873 is a prime.

It is a super-2 number, since 2×105402455129² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105402455092 and 105402455101.

It is not a weakly prime, because it can be changed into another prime (105402455029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52701227564 + 52701227565.

It is an arithmetic number, because the mean of its divisors is an integer number (52701227565).

Almost surely, 2^105402455129 is an apocalyptic number.

It is an amenable number.

105402455129 is a deficient number, since it is larger than the sum of its proper divisors (1).

105402455129 is an equidigital number, since it uses as much as digits as its factorization.

105402455129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 105402455129 in words is "one hundred five billion, four hundred two million, four hundred fifty-five thousand, one hundred twenty-nine".