1021423002 has 16 divisors (see below), whose sum is σ = 2163013632. Its totient is φ = 320446400.

The previous prime is 1021422991. The next prime is 1021423009. The reversal of 1021423002 is 2003241201.

It is not an unprimeable number, because it can be changed into a prime (1021423009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5006874 + ... + 5007077.

It is an arithmetic number, because the mean of its divisors is an integer number (135188352).

Almost surely, 2^1021423002 is an apocalyptic number.

1021423002 is an abundant number, since it is smaller than the sum of its proper divisors (1141590630).

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

1021423002 is a wasteful number, since it uses less digits than its factorization.

1021423002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013973.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1021423002 is about 31959.7090412288. The cubic root of 1021423002 is about 1007.0906051545.

Adding to 1021423002 its reverse (2003241201), we get a palindrome (3024664203).

The spelling of 1021423002 in words is "one billion, twenty-one million, four hundred twenty-three thousand, two".