1021023102 has 32 divisors (see below), whose sum is σ = 2344936320. Its totient is φ = 293116320.

The previous prime is 1021023079. The next prime is 1021023109. The reversal of 1021023102 is 2013201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021023109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405853 + ... + 408360.

It is an arithmetic number, because the mean of its divisors is an integer number (73279260).

Almost surely, 2^1021023102 is an apocalyptic number.

1021023102 is an abundant number, since it is smaller than the sum of its proper divisors (1323913218).

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

1021023102 is a wasteful number, since it uses less digits than its factorization.

1021023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814248.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021023102 is about 31953.4521139735. The cubic root of 1021023102 is about 1006.9591584368.

Adding to 1021023102 its reverse (2013201201), we get a palindrome (3034224303).

The spelling of 1021023102 in words is "one billion, twenty-one million, twenty-three thousand, one hundred two".