1021513054 has 8 divisors (see below), whose sum is σ = 1581697728. Its totient is φ = 494280480.

The previous prime is 1021513027. The next prime is 1021513123. The reversal of 1021513054 is 4503151201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 8237947 + ... + 8238070.

It is an arithmetic number, because the mean of its divisors is an integer number (197712216).

Almost surely, 2^1021513054 is an apocalyptic number.

1021513054 is a deficient number, since it is larger than the sum of its proper divisors (560184674).

1021513054 is a wasteful number, since it uses less digits than its factorization.

1021513054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16476050.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1021513054 is about 31961.1178465335. The cubic root of 1021513054 is about 1007.1202004211.

Adding to 1021513054 its reverse (4503151201), we get a palindrome (5524664255).

The spelling of 1021513054 in words is "one billion, twenty-one million, five hundred thirteen thousand, fifty-four".