1100124342 has 80 divisors (see below), whose sum is σ = 2555520000. Its totient is φ = 353360880.

The previous prime is 1100124329. The next prime is 1100124343. The reversal of 1100124342 is 2434210011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100124343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2204409 + ... + 2204907.

It is an arithmetic number, because the mean of its divisors is an integer number (31944000).

Almost surely, 2^1100124342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100124342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277760000).

1100124342 is an abundant number, since it is smaller than the sum of its proper divisors (1455395658).

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

1100124342 is a wasteful number, since it uses less digits than its factorization.

1100124342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 974 counting only the distinct ones).

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

The square root of 1100124342 is about 33168.1223767641. The cubic root of 1100124342 is about 1032.3190096800.

Adding to 1100124342 its reverse (2434210011), we get a palindrome (3534334353).

The spelling of 1100124342 in words is "one billion, one hundred million, one hundred twenty-four thousand, three hundred forty-two".