1420501311 has 6 divisors (see below), whose sum is σ = 2051835240. Its totient is φ = 947000868.

The previous prime is 1420501307. The next prime is 1420501319. The reversal of 1420501311 is 1131050241.

1420501311 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1420501311 - 2² = 1420501307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420501319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78916731 + ... + 78916748.

It is an arithmetic number, because the mean of its divisors is an integer number (341972540).

Almost surely, 2^1420501311 is an apocalyptic number.

1420501311 is a deficient number, since it is larger than the sum of its proper divisors (631333929).

1420501311 is a wasteful number, since it uses less digits than its factorization.

1420501311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157833485 (or 157833482 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1420501311 is about 37689.5384821836. The cubic root of 1420501311 is about 1124.1231187666.

Adding to 1420501311 its reverse (1131050241), we get a palindrome (2551551552).

The spelling of 1420501311 in words is "one billion, four hundred twenty million, five hundred one thousand, three hundred eleven".