1122023100 has 72 divisors (see below), whose sum is σ = 3541523328. Its totient is φ = 272004800.

The previous prime is 1122023041. The next prime is 1122023101. The reversal of 1122023100 is 13202211.

It is a super-2 number, since 2×1122023100² = 2517871673867220000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122023101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166704 + ... + 173303.

It is an arithmetic number, because the mean of its divisors is an integer number (49187824).

Almost surely, 2^1122023100 is an apocalyptic number.

1122023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122023100 is an abundant number, since it is smaller than the sum of its proper divisors (2419500228).

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

1122023100 is a wasteful number, since it uses less digits than its factorization.

1122023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340035 (or 340028 counting only the distinct ones).

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

The square root of 1122023100 is about 33496.6132616418. The cubic root of 1122023100 is about 1039.1237379892.

Adding to 1122023100 its reverse (13202211), we get a palindrome (1135225311).

The spelling of 1122023100 in words is "one billion, one hundred twenty-two million, twenty-three thousand, one hundred".