1420434312 has 64 divisors (see below), whose sum is σ = 3877796160. Its totient is φ = 430003200.

The previous prime is 1420434287. The next prime is 1420434313. The reversal of 1420434312 is 2134340241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1420434313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346708 + ... + 350780.

It is an arithmetic number, because the mean of its divisors is an integer number (60590565).

Almost surely, 2^1420434312 is an apocalyptic number.

1420434312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420434312 is an abundant number, since it is smaller than the sum of its proper divisors (2457361848).

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

1420434312 is a wasteful number, since it uses less digits than its factorization.

1420434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1420434312 is about 37688.6496441568. The cubic root of 1420434312 is about 1124.1054451213.

Adding to 1420434312 its reverse (2134340241), we get a palindrome (3554774553).

It can be divided in two parts, 14204 and 34312, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 1420434312 in words is "one billion, four hundred twenty million, four hundred thirty-four thousand, three hundred twelve".