1129418100 has 72 divisors (see below), whose sum is σ = 3630878720. Its totient is φ = 301177440.

The previous prime is 1129418089. The next prime is 1129418107. The reversal of 1129418100 is 18149211.

It is a super-2 number, since 2×1129418100² = 2551170489215220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129418107) 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, 206452 + ... + 211851.

Almost surely, 2^1129418100 is an apocalyptic number.

1129418100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129418100 is an abundant number, since it is smaller than the sum of its proper divisors (2501460620).

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

1129418100 is a wasteful number, since it uses less digits than its factorization.

1129418100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418326 (or 418313 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1129418100 is about 33606.8162728932. The cubic root of 1129418100 is about 1041.4016173291.

The spelling of 1129418100 in words is "one billion, one hundred twenty-nine million, four hundred eighteen thousand, one hundred".