190012129 has 2 divisors, whose sum is σ = 190012130. Its totient is φ = 190012128.

The previous prime is 190012093. The next prime is 190012139. The reversal of 190012129 is 921210091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186267904 + 3744225 = 13648^2 + 1935^2 .

It is a cyclic number.

It is not a de Polignac number, because 190012129 - 2¹³ = 190003937 is a prime.

It is a super-2 number, since 2×190012129² = 72209218334225282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190012139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95006064 + 95006065.

It is an arithmetic number, because the mean of its divisors is an integer number (95006065).

Almost surely, 2^190012129 is an apocalyptic number.

It is an amenable number.

190012129 is a deficient number, since it is larger than the sum of its proper divisors (1).

190012129 is an equidigital number, since it uses as much as digits as its factorization.

190012129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 190012129 is about 13784.4887101408. The cubic root of 190012129 is about 574.9019406820.

The spelling of 190012129 in words is "one hundred ninety million, twelve thousand, one hundred twenty-nine".