1102023120 has 160 divisors (see below), whose sum is σ = 3764651904. Its totient is φ = 264448000.

The previous prime is 1102023089. The next prime is 1102023137. The reversal of 1102023120 is 213202011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1102023096 and 1102023105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264574 + ... + 268706.

Almost surely, 2^1102023120 is an apocalyptic number.

1102023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882325952).

1102023120 is an abundant number, since it is smaller than the sum of its proper divisors (2662628784).

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

1102023120 is a wasteful number, since it uses less digits than its factorization.

1102023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4255 counting only the distinct ones).

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

The square root of 1102023120 is about 33196.7335742540. The cubic root of 1102023120 is about 1032.9125843985.

Adding to 1102023120 its reverse (213202011), we get a palindrome (1315225131).

The spelling of 1102023120 in words is "one billion, one hundred two million, twenty-three thousand, one hundred twenty".