196501129 has 16 divisors (see below), whose sum is σ = 222546240. Its totient is φ = 171864000.

The previous prime is 196501127. The next prime is 196501139. The reversal of 196501129 is 921105691.

It is a happy number.

It is not a de Polignac number, because 196501129 - 2¹ = 196501127 is a prime.

It is a super-2 number, since 2×196501129² = 77225387396549282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196501094 and 196501103.

It is not an unprimeable number, because it can be changed into a prime (196501127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104659 + ... + 106519.

It is an arithmetic number, because the mean of its divisors is an integer number (13909140).

Almost surely, 2^196501129 is an apocalyptic number.

It is an amenable number.

196501129 is a deficient number, since it is larger than the sum of its proper divisors (26045111).

196501129 is a wasteful number, since it uses less digits than its factorization.

196501129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 196501129 is about 14017.8860389147. The cubic root of 196501129 is about 581.3732117265.

The spelling of 196501129 in words is "one hundred ninety-six million, five hundred one thousand, one hundred twenty-nine".