1421912255 has 4 divisors (see below), whose sum is σ = 1706294712. Its totient is φ = 1137529800.

The previous prime is 1421912227. The next prime is 1421912263. The reversal of 1421912255 is 5522191241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1421912255 - 2¹⁶ = 1421846719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142191221 + ... + 142191230.

It is an arithmetic number, because the mean of its divisors is an integer number (426573678).

Almost surely, 2^1421912255 is an apocalyptic number.

1421912255 is a deficient number, since it is larger than the sum of its proper divisors (284382457).

1421912255 is an equidigital number, since it uses as much as digits as its factorization.

1421912255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284382456.

The product of its digits is 7200, while the sum is 32.

The square root of 1421912255 is about 37708.2518157498. The cubic root of 1421912255 is about 1124.4951822328.

The spelling of 1421912255 in words is "one billion, four hundred twenty-one million, nine hundred twelve thousand, two hundred fifty-five".