1612105201 has 4 divisors (see below), whose sum is σ = 1842405952. Its totient is φ = 1381804452.

The previous prime is 1612105193. The next prime is 1612105211. The reversal of 1612105201 is 1025012161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1612105201 - 2³ = 1612105193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612105211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115150365 + ... + 115150378.

It is an arithmetic number, because the mean of its divisors is an integer number (460601488).

Almost surely, 2^1612105201 is an apocalyptic number.

It is an amenable number.

1612105201 is a deficient number, since it is larger than the sum of its proper divisors (230300751).

1612105201 is an equidigital number, since it uses as much as digits as its factorization.

1612105201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230300750.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1612105201 is about 40151.0298871648. The cubic root of 1612105201 is about 1172.5493394888.

Adding to 1612105201 its reverse (1025012161), we get a palindrome (2637117362).

The spelling of 1612105201 in words is "one billion, six hundred twelve million, one hundred five thousand, two hundred one".