1835125921 has 8 divisors (see below), whose sum is σ = 1883138400. Its totient is φ = 1787356032.

The previous prime is 1835125907. The next prime is 1835125927. The reversal of 1835125921 is 1295215381.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1835125921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1835125927) 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, 45271 + ... + 75628.

It is an arithmetic number, because the mean of its divisors is an integer number (235392300).

Almost surely, 2^1835125921 is an apocalyptic number.

It is an amenable number.

1835125921 is a deficient number, since it is larger than the sum of its proper divisors (48012479).

1835125921 is a wasteful number, since it uses less digits than its factorization.

1835125921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121295.

The product of its digits is 21600, while the sum is 37.

The square root of 1835125921 is about 42838.3697285506. The cubic root of 1835125921 is about 1224.3021811566.

The spelling of 1835125921 in words is "one billion, eight hundred thirty-five million, one hundred twenty-five thousand, nine hundred twenty-one".