1403212420 has 48 divisors (see below), whose sum is σ = 3034902528. Its totient is φ = 544579200.

The previous prime is 1403212411. The next prime is 1403212439. The reversal of 1403212420 is 242123041.

It is an unprimeable number.

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, 280945 + ... + 285895.

It is an arithmetic number, because the mean of its divisors is an integer number (63227136).

Almost surely, 2^1403212420 is an apocalyptic number.

1403212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403212420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517451264).

1403212420 is an abundant number, since it is smaller than the sum of its proper divisors (1631690108).

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

1403212420 is a wasteful number, since it uses less digits than its factorization.

1403212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380 (or 5378 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1403212420 is about 37459.4770385279. The cubic root of 1403212420 is about 1119.5439310211.

Adding to 1403212420 its reverse (242123041), we get a palindrome (1645335461).

The spelling of 1403212420 in words is "one billion, four hundred three million, two hundred twelve thousand, four hundred twenty".