1421107286 has 4 divisors (see below), whose sum is σ = 2131660932. Its totient is φ = 710553642.

The previous prime is 1421107283. The next prime is 1421107297. The reversal of 1421107286 is 6827011241.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421107283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355276820 + ... + 355276823.

It is an arithmetic number, because the mean of its divisors is an integer number (532915233).

Almost surely, 2^1421107286 is an apocalyptic number.

1421107286 is a deficient number, since it is larger than the sum of its proper divisors (710553646).

1421107286 is an equidigital number, since it uses as much as digits as its factorization.

1421107286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710553645.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1421107286 is about 37697.5766595149. The cubic root of 1421107286 is about 1124.2829434850.

The spelling of 1421107286 in words is "one billion, four hundred twenty-one million, one hundred seven thousand, two hundred eighty-six".