1021323002 has 16 divisors (see below), whose sum is σ = 1758170880. Its totient is φ = 435877008.

The previous prime is 1021322983. The next prime is 1021323007. The reversal of 1021323002 is 2003231201.

It is a happy number.

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 (1021323007) 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, 149273 + ... + 155964.

It is an arithmetic number, because the mean of its divisors is an integer number (109885680).

Almost surely, 2^1021323002 is an apocalyptic number.

1021323002 is a deficient number, since it is larger than the sum of its proper divisors (736847878).

1021323002 is a wasteful number, since it uses less digits than its factorization.

1021323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305485.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1021323002 is about 31958.1445331233. The cubic root of 1021323002 is about 1007.0577384750.

Adding to 1021323002 its reverse (2003231201), we get a palindrome (3024554203).

The spelling of 1021323002 in words is "one billion, twenty-one million, three hundred twenty-three thousand, two".