1021702116 has 12 divisors (see below), whose sum is σ = 2383971632. Its totient is φ = 340567368.

The previous prime is 1021702069. The next prime is 1021702117. The reversal of 1021702116 is 6112071201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1021702092 and 1021702101.

It is not an unprimeable number, because it can be changed into a prime (1021702117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42570910 + ... + 42570933.

Almost surely, 2^1021702116 is an apocalyptic number.

It is an amenable number.

1021702116 is an abundant number, since it is smaller than the sum of its proper divisors (1362269516).

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

1021702116 is a wasteful number, since it uses less digits than its factorization.

1021702116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85141850 (or 85141848 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1021702116 is about 31964.0753972331. The cubic root of 1021702116 is about 1007.1823293101.

Adding to 1021702116 its reverse (6112071201), we get a palindrome (7133773317).

The spelling of 1021702116 in words is "one billion, twenty-one million, seven hundred two thousand, one hundred sixteen".