1612004131 has 2 divisors, whose sum is σ = 1612004132. Its totient is φ = 1612004130.

The previous prime is 1612004101. The next prime is 1612004153. The reversal of 1612004131 is 1314002161.

It is a strong prime.

It is an emirp because it is prime and its reverse (1314002161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1612004131 - 2¹¹ = 1612002083 is a prime.

It is a super-2 number, since 2×1612004131² = 5197114636722130322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1612004099 and 1612004108.

It is not a weakly prime, because it can be changed into another prime (1612004101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806002065 + 806002066.

It is an arithmetic number, because the mean of its divisors is an integer number (806002066).

Almost surely, 2^1612004131 is an apocalyptic number.

1612004131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612004131 is an equidigital number, since it uses as much as digits as its factorization.

1612004131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1612004131 is about 40149.7712446783. The cubic root of 1612004131 is about 1172.5248348766.

Adding to 1612004131 its reverse (1314002161), we get a palindrome (2926006292).

The spelling of 1612004131 in words is "one billion, six hundred twelve million, four thousand, one hundred thirty-one".