1421896252 has 48 divisors (see below), whose sum is σ = 3014601408. Its totient is φ = 572866560.

The previous prime is 1421896237. The next prime is 1421896261. The reversal of 1421896252 is 2526981241.

It is a happy number.

It is a congruent number.

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, 703948 + ... + 705964.

It is an arithmetic number, because the mean of its divisors is an integer number (62804196).

Almost surely, 2^1421896252 is an apocalyptic number.

It is an amenable number.

1421896252 is an abundant number, since it is smaller than the sum of its proper divisors (1592705156).

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

1421896252 is a wasteful number, since it uses less digits than its factorization.

1421896252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526 (or 3524 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 1421896252 is about 37708.0396202189. The cubic root of 1421896252 is about 1124.4909636500.

The spelling of 1421896252 in words is "one billion, four hundred twenty-one million, eight hundred ninety-six thousand, two hundred fifty-two".