1420153211 has 2 divisors, whose sum is σ = 1420153212. Its totient is φ = 1420153210.

The previous prime is 1420153201. The next prime is 1420153213. The reversal of 1420153211 is 1123510241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420153211 - 2¹⁰ = 1420152187 is a prime.

It is a super-2 number, since 2×1420153211² = 4033670285427221042, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1420153213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1420153213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710076605 + 710076606.

It is an arithmetic number, because the mean of its divisors is an integer number (710076606).

Almost surely, 2^1420153211 is an apocalyptic number.

1420153211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420153211 is an equidigital number, since it uses as much as digits as its factorization.

1420153211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1420153211 is about 37684.9202068944. The cubic root of 1420153211 is about 1124.0312875183.

Adding to 1420153211 its reverse (1123510241), we get a palindrome (2543663452).

The spelling of 1420153211 in words is "one billion, four hundred twenty million, one hundred fifty-three thousand, two hundred eleven".