196124965 has 4 divisors (see below), whose sum is σ = 235349964. Its totient is φ = 156899968.

The previous prime is 196124927. The next prime is 196124977. The reversal of 196124965 is 569421691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569421691 = 211 ⋅2698681.

It can be written as a sum of positive squares in 2 ways, for example, as 145515969 + 50608996 = 12063^2 + 7114^2 .

It is a cyclic number.

It is not a de Polignac number, because 196124965 - 2¹³ = 196116773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19612492 + ... + 19612501.

It is an arithmetic number, because the mean of its divisors is an integer number (58837491).

Almost surely, 2^196124965 is an apocalyptic number.

It is an amenable number.

196124965 is a deficient number, since it is larger than the sum of its proper divisors (39224999).

196124965 is an equidigital number, since it uses as much as digits as its factorization.

196124965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39224998.

The product of its digits is 116640, while the sum is 43.

The square root of 196124965 is about 14004.4623245593. The cubic root of 196124965 is about 581.0019986442.

The spelling of 196124965 in words is "one hundred ninety-six million, one hundred twenty-four thousand, nine hundred sixty-five".