1206054131 has 2 divisors, whose sum is σ = 1206054132. Its totient is φ = 1206054130.

The previous prime is 1206054121. The next prime is 1206054133. The reversal of 1206054131 is 1314506021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1206054131 - 2²⁶ = 1138945267 is a prime.

It is a super-2 number, since 2×1206054131² = 2909133133804330322, which contains 22 as substring.

Together with 1206054133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206054097 and 1206054106.

It is not a weakly prime, because it can be changed into another prime (1206054133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603027065 + 603027066.

It is an arithmetic number, because the mean of its divisors is an integer number (603027066).

Almost surely, 2^1206054131 is an apocalyptic number.

1206054131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206054131 is an equidigital number, since it uses as much as digits as its factorization.

1206054131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1206054131 is about 34728.2900673212. The cubic root of 1206054131 is about 1064.4426484092.

The spelling of 1206054131 in words is "one billion, two hundred six million, fifty-four thousand, one hundred thirty-one".