1896937121 has 8 divisors (see below), whose sum is σ = 1981324800. Its totient is φ = 1812708832.

The previous prime is 1896937117. The next prime is 1896937123. The reversal of 1896937121 is 1217396981.

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

It is a cyclic number.

It is not a de Polignac number, because 1896937121 - 2² = 1896937117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1896937123) 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, 15185 + ... + 63438.

It is an arithmetic number, because the mean of its divisors is an integer number (247665600).

Almost surely, 2^1896937121 is an apocalyptic number.

It is an amenable number.

1896937121 is a deficient number, since it is larger than the sum of its proper divisors (84387679).

1896937121 is a wasteful number, since it uses less digits than its factorization.

1896937121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79695.

The product of its digits is 163296, while the sum is 47.

The square root of 1896937121 is about 43553.8416330867. The cubic root of 1896937121 is about 1237.8964336934.

The spelling of 1896937121 in words is "one billion, eight hundred ninety-six million, nine hundred thirty-seven thousand, one hundred twenty-one".