1421080308 has 48 divisors (see below), whose sum is σ = 3753812160. Its totient is φ = 464753952.

The previous prime is 1421080259. The next prime is 1421080327. The reversal of 1421080308 is 8030801241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118410 + ... + 129857.

It is an arithmetic number, because the mean of its divisors is an integer number (78204420).

Almost surely, 2^1421080308 is an apocalyptic number.

1421080308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1421080308 is an abundant number, since it is smaller than the sum of its proper divisors (2332731852).

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

1421080308 is a wasteful number, since it uses less digits than its factorization.

1421080308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248333 (or 248325 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1421080308 is about 37697.2188364075. The cubic root of 1421080308 is about 1124.2758290569.

Adding to 1421080308 its reverse (8030801241), we get a palindrome (9451881549).

The spelling of 1421080308 in words is "one billion, four hundred twenty-one million, eighty thousand, three hundred eight".