1023120002 has 16 divisors (see below), whose sum is σ = 1543029912. Its totient is φ = 508784640.

The previous prime is 1023119987. The next prime is 1023120019. The reversal of 1023120002 is 2000213201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 804346321 + 218773681 = 28361^2 + 14791^2 .

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, 324578 + ... + 327714.

Almost surely, 2^1023120002 is an apocalyptic number.

1023120002 is a deficient number, since it is larger than the sum of its proper divisors (519909910).

1023120002 is a wasteful number, since it uses less digits than its factorization.

1023120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1023120002 is about 31986.2470758919. The cubic root of 1023120002 is about 1007.6480259160.

Adding to 1023120002 its reverse (2000213201), we get a palindrome (3023333203).

The spelling of 1023120002 in words is "one billion, twenty-three million, one hundred twenty thousand, two".