1023142104 has 160 divisors (see below), whose sum is σ = 3017139840. Its totient is φ = 323818560.

The previous prime is 1023142091. The next prime is 1023142117. The reversal of 1023142104 is 4012413201.

1023142104 is a `hidden beast` number, since 10 + 231 + 421 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1023142091) and next prime (1023142117).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19304542 + ... + 19304594.

It is an arithmetic number, because the mean of its divisors is an integer number (18857124).

Almost surely, 2^1023142104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023142104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508569920).

1023142104 is an abundant number, since it is smaller than the sum of its proper divisors (1993997736).

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

1023142104 is an frugal number, since it uses more digits than its factorization.

1023142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1023142104 is about 31986.5925662613. The cubic root of 1023142104 is about 1007.6552817858.

Adding to 1023142104 its reverse (4012413201), we get a palindrome (5035555305).

The spelling of 1023142104 in words is "one billion, twenty-three million, one hundred forty-two thousand, one hundred four".