1421334552 has 32 divisors (see below), whose sum is σ = 3876367680. Its totient is φ = 430707360.

The previous prime is 1421334547. The next prime is 1421334553. The reversal of 1421334552 is 2554331241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421334553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2691658 + ... + 2692185.

It is an arithmetic number, because the mean of its divisors is an integer number (121136490).

Almost surely, 2^1421334552 is an apocalyptic number.

1421334552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421334552 is an abundant number, since it is smaller than the sum of its proper divisors (2455033128).

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

1421334552 is a wasteful number, since it uses less digits than its factorization.

1421334552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383863 (or 5383859 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 1421334552 is about 37700.5908707012. The cubic root of 1421334552 is about 1124.3428727319.

Adding to 1421334552 its reverse (2554331241), we get a palindrome (3975665793).

The spelling of 1421334552 in words is "one billion, four hundred twenty-one million, three hundred thirty-four thousand, five hundred fifty-two".