1201164031 has 2 divisors, whose sum is σ = 1201164032. Its totient is φ = 1201164030.

The previous prime is 1201164023. The next prime is 1201164073. The reversal of 1201164031 is 1304611021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201164031 - 2³ = 1201164023 is a prime.

It is a super-2 number, since 2×1201164031² = 2885590058736337922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201164011) 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, 600582015 + 600582016.

It is an arithmetic number, because the mean of its divisors is an integer number (600582016).

Almost surely, 2^1201164031 is an apocalyptic number.

1201164031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201164031 is an equidigital number, since it uses as much as digits as its factorization.

1201164031 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 1201164031 is about 34657.8134191989. The cubic root of 1201164031 is about 1063.0020602295.

Adding to 1201164031 its reverse (1304611021), we get a palindrome (2505775052).

The spelling of 1201164031 in words is "one billion, two hundred one million, one hundred sixty-four thousand, thirty-one".