1020654214 has 4 divisors (see below), whose sum is σ = 1530981324. Its totient is φ = 510327106.

The previous prime is 1020654191. The next prime is 1020654221. The reversal of 1020654214 is 4124560201.

It is a happy number.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 255163552 + ... + 255163555.

It is an arithmetic number, because the mean of its divisors is an integer number (382745331).

Almost surely, 2^1020654214 is an apocalyptic number.

1020654214 is a deficient number, since it is larger than the sum of its proper divisors (510327110).

1020654214 is an equidigital number, since it uses as much as digits as its factorization.

1020654214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510327109.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1020654214 is about 31947.6793210399. The cubic root of 1020654214 is about 1006.8378748951.

The spelling of 1020654214 in words is "one billion, twenty million, six hundred fifty-four thousand, two hundred fourteen".