1120023000 has 96 divisors (see below), whose sum is σ = 3785708160. Its totient is φ = 298670400.

The previous prime is 1120022971. The next prime is 1120023029. The reversal of 1120023000 is 3200211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1120022971) and next prime (1120023029).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53224 + ... + 71223.

It is an arithmetic number, because the mean of its divisors is an integer number (39434460).

Almost surely, 2^1120023000 is an apocalyptic number.

1120023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120023000 is an abundant number, since it is smaller than the sum of its proper divisors (2665685160).

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

1120023000 is a wasteful number, since it uses less digits than its factorization.

1120023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124474 (or 124457 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1120023000 is about 33466.7446878241. The cubic root of 1120023000 is about 1038.5059290932.

Adding to 1120023000 its reverse (3200211), we get a palindrome (1123223211).

The spelling of 1120023000 in words is "one billion, one hundred twenty million, twenty-three thousand".