1021020602 has 16 divisors (see below), whose sum is σ = 1750731072. Its totient is φ = 437477760.

The previous prime is 1021020601. The next prime is 1021020607. The reversal of 1021020602 is 2060201201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1021020601) 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, 112577 + ... + 121307.

It is an arithmetic number, because the mean of its divisors is an integer number (109420692).

Almost surely, 2^1021020602 is an apocalyptic number.

1021020602 is a deficient number, since it is larger than the sum of its proper divisors (729710470).

1021020602 is an equidigital number, since it uses as much as digits as its factorization.

1021020602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17093.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1021020602 is about 31953.4129945457. The cubic root of 1021020602 is about 1006.9583365814.

Adding to 1021020602 its reverse (2060201201), we get a palindrome (3081221803).

The spelling of 1021020602 in words is "one billion, twenty-one million, twenty thousand, six hundred two".