1300211123 has 2 divisors, whose sum is σ = 1300211124. Its totient is φ = 1300211122.

The previous prime is 1300211111. The next prime is 1300211177. The reversal of 1300211123 is 3211120031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300211123 is a prime.

It is a super-2 number, since 2×1300211123² = 3381097928745842258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300211098 and 1300211107.

It is not a weakly prime, because it can be changed into another prime (1300216123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650105561 + 650105562.

It is an arithmetic number, because the mean of its divisors is an integer number (650105562).

Almost surely, 2^1300211123 is an apocalyptic number.

1300211123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300211123 is an equidigital number, since it uses as much as digits as its factorization.

1300211123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1300211123 is about 36058.4403850194. The cubic root of 1300211123 is about 1091.4519614373.

Adding to 1300211123 its reverse (3211120031), we get a palindrome (4511331154).

The spelling of 1300211123 in words is "one billion, three hundred million, two hundred eleven thousand, one hundred twenty-three".