1421470378 has 8 divisors (see below), whose sum is σ = 2135009700. Its totient is φ = 709800480.

The previous prime is 1421470363. The next prime is 1421470387. The reversal of 1421470378 is 8730741241.

It can be written as a sum of positive squares in 2 ways, for example, as 1210552849 + 210917529 = 34793^2 + 14523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465453 + ... + 468496.

Almost surely, 2^1421470378 is an apocalyptic number.

1421470378 is a deficient number, since it is larger than the sum of its proper divisors (713539322).

1421470378 is an equidigital number, since it uses as much as digits as its factorization.

1421470378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934712.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1421470378 is about 37702.3922052699. The cubic root of 1421470378 is about 1124.3786865217.

The spelling of 1421470378 in words is "one billion, four hundred twenty-one million, four hundred seventy thousand, three hundred seventy-eight".