1420446252 has 12 divisors (see below), whose sum is σ = 3314374616. Its totient is φ = 473482080.

The previous prime is 1420446233. The next prime is 1420446263. The reversal of 1420446252 is 2526440241.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 59185249 + ... + 59185272.

Almost surely, 2^1420446252 is an apocalyptic number.

1420446252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420446252 is an abundant number, since it is smaller than the sum of its proper divisors (1893928364).

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

1420446252 is a wasteful number, since it uses less digits than its factorization.

1420446252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118370528 (or 118370526 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1420446252 is about 37688.8080469521. The cubic root of 1420446252 is about 1124.1085948109.

Adding to 1420446252 its reverse (2526440241), we get a palindrome (3946886493).

The spelling of 1420446252 in words is "one billion, four hundred twenty million, four hundred forty-six thousand, two hundred fifty-two".