1420343034 has 48 divisors (see below), whose sum is σ = 3209600160. Its totient is φ = 415549120.

The previous prime is 1420343009. The next prime is 1420343077. The reversal of 1420343034 is 4303430241.

It is a super-4 number, since 4×1420343034⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1420342995 and 1420343013.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 42712 + ... + 68300.

It is an arithmetic number, because the mean of its divisors is an integer number (66866670).

Almost surely, 2^1420343034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420343034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604800080).

1420343034 is an abundant number, since it is smaller than the sum of its proper divisors (1789257126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420343034 is a wasteful number, since it uses less digits than its factorization.

1420343034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25663 (or 25634 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1420343034 is about 37687.4386765670. The cubic root of 1420343034 is about 1124.0813660318.

Adding to 1420343034 its reverse (4303430241), we get a palindrome (5723773275).

The spelling of 1420343034 in words is "one billion, four hundred twenty million, three hundred forty-three thousand, thirty-four".