1420212450 has 24 divisors (see below), whose sum is σ = 3522127248. Its totient is φ = 378723280.

The previous prime is 1420212449. The next prime is 1420212457. The reversal of 1420212450 is 542120241.

It is not an unprimeable number, because it can be changed into a prime (1420212457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4733892 + ... + 4734191.

It is an arithmetic number, because the mean of its divisors is an integer number (146755302).

Almost surely, 2^1420212450 is an apocalyptic number.

1420212450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420212450 is an abundant number, since it is smaller than the sum of its proper divisors (2101914798).

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

1420212450 is a wasteful number, since it uses less digits than its factorization.

1420212450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468098 (or 9468093 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1420212450 is about 37685.7061762149. The cubic root of 1420212450 is about 1124.0469162460.

Adding to 1420212450 its reverse (542120241), we get a palindrome (1962332691).

The spelling of 1420212450 in words is "one billion, four hundred twenty million, two hundred twelve thousand, four hundred fifty".