113042100 has 36 divisors (see below), whose sum is σ = 327069344. Its totient is φ = 30144480.

The previous prime is 113042093. The next prime is 113042107. The reversal of 113042100 is 1240311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113042093) and next prime (113042107).

It is a super-3 number, since 3×113042100³ (a number of 25 digits) contains 333 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 (113042107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188104 + ... + 188703.

Almost surely, 2^113042100 is an apocalyptic number.

113042100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113042100 is an abundant number, since it is smaller than the sum of its proper divisors (214027244).

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

113042100 is a wasteful number, since it uses less digits than its factorization.

113042100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376824 (or 376817 counting only the distinct ones).

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

The square root of 113042100 is about 10632.1258457563. The cubic root of 113042100 is about 483.5188454216.

Adding to 113042100 its reverse (1240311), we get a palindrome (114282411).

The spelling of 113042100 in words is "one hundred thirteen million, forty-two thousand, one hundred".