1201111007 has 2 divisors, whose sum is σ = 1201111008. Its totient is φ = 1201111006.

The previous prime is 1201110997. The next prime is 1201111019. The reversal of 1201111007 is 7001111021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201111007 - 2¹⁰ = 1201109983 is a prime.

It is a super-2 number, since 2×1201111007² = 2885335302273108098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201110982 and 1201111000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201111507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600555503 + 600555504.

It is an arithmetic number, because the mean of its divisors is an integer number (600555504).

Almost surely, 2^1201111007 is an apocalyptic number.

1201111007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201111007 is an equidigital number, since it uses as much as digits as its factorization.

1201111007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 1201111007 is about 34657.0484461675. The cubic root of 1201111007 is about 1062.9864183329.

Adding to 1201111007 its sum of digits (14), we get a palindrome (1201111021).

Adding to 1201111007 its reverse (7001111021), we get a palindrome (8202222028).

The spelling of 1201111007 in words is "one billion, two hundred one million, one hundred eleven thousand, seven".