1021416534 has 16 divisors (see below), whose sum is σ = 2269814640. Its totient is φ = 340472160.

The previous prime is 1021416527. The next prime is 1021416547. The reversal of 1021416534 is 4356141201.

It is a happy number.

1021416534 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 4 + 1 + 653 + 4 = 666.

1021416534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1021416498 and 1021416507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9457507 + ... + 9457614.

It is an arithmetic number, because the mean of its divisors is an integer number (141863415).

Almost surely, 2^1021416534 is an apocalyptic number.

1021416534 is an abundant number, since it is smaller than the sum of its proper divisors (1248398106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021416534 is a wasteful number, since it uses less digits than its factorization.

1021416534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18915132 (or 18915126 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1021416534 is about 31959.6078511611. The cubic root of 1021416534 is about 1007.0884794026.

Adding to 1021416534 its reverse (4356141201), we get a palindrome (5377557735).

The spelling of 1021416534 in words is "one billion, twenty-one million, four hundred sixteen thousand, five hundred thirty-four".