1421455355 has 16 divisors (see below), whose sum is σ = 1723570464. Its totient is φ = 1125342720.

The previous prime is 1421455351. The next prime is 1421455393. The reversal of 1421455355 is 5535541241.

It is not a de Polignac number, because 1421455355 - 2² = 1421455351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421455351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192797 + ... + 200033.

It is an arithmetic number, because the mean of its divisors is an integer number (107723154).

Almost surely, 2^1421455355 is an apocalyptic number.

1421455355 is a deficient number, since it is larger than the sum of its proper divisors (302115109).

1421455355 is a wasteful number, since it uses less digits than its factorization.

1421455355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646.

The product of its digits is 60000, while the sum is 35.

The square root of 1421455355 is about 37702.1929733537. The cubic root of 1421455355 is about 1124.3747254589.

Adding to 1421455355 its reverse (5535541241), we get a palindrome (6956996596).

The spelling of 1421455355 in words is "one billion, four hundred twenty-one million, four hundred fifty-five thousand, three hundred fifty-five".