196125621 has 8 divisors (see below), whose sum is σ = 261724800. Its totient is φ = 130638432.

The previous prime is 196125613. The next prime is 196125647. The reversal of 196125621 is 126521691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196125621 - 2³ = 196125613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196125661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23821 + ... + 30978.

It is an arithmetic number, because the mean of its divisors is an integer number (32715600).

Almost surely, 2^196125621 is an apocalyptic number.

It is an amenable number.

196125621 is a deficient number, since it is larger than the sum of its proper divisors (65599179).

196125621 is a wasteful number, since it uses less digits than its factorization.

196125621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55995.

The product of its digits is 6480, while the sum is 33.

The square root of 196125621 is about 14004.4857456459. The cubic root of 196125621 is about 581.0026464232.

The spelling of 196125621 in words is "one hundred ninety-six million, one hundred twenty-five thousand, six hundred twenty-one".