1020354863 has 8 divisors (see below), whose sum is σ = 1149021696. Its totient is φ = 897672600.

The previous prime is 1020354851. The next prime is 1020354871. The reversal of 1020354863 is 3684530201.

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

It is not a de Polignac number, because 1020354863 - 2⁴ = 1020354847 is a prime.

It is a super-2 number, since 2×1020354863² = 2082248092895497538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020354893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495781 + ... + 1496462.

It is an arithmetic number, because the mean of its divisors is an integer number (143627712).

Almost surely, 2^1020354863 is an apocalyptic number.

1020354863 is a deficient number, since it is larger than the sum of its proper divisors (128666833).

1020354863 is a wasteful number, since it uses less digits than its factorization.

1020354863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992285.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1020354863 is about 31942.9939579871. The cubic root of 1020354863 is about 1006.7394323500.

The spelling of 1020354863 in words is "one billion, twenty million, three hundred fifty-four thousand, eight hundred sixty-three".