1113429240 has 320 divisors, whose sum is σ = 4666844160. Its totient is φ = 231310080.

The previous prime is 1113429227. The next prime is 1113429259. The reversal of 1113429240 is 429243111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 247249 + ... + 251711.

It is an arithmetic number, because the mean of its divisors is an integer number (14583888).

Almost surely, 2^1113429240 is an apocalyptic number.

1113429240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113429240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333422080).

1113429240 is an abundant number, since it is smaller than the sum of its proper divisors (3553414920).

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

1113429240 is a wasteful number, since it uses less digits than its factorization.

1113429240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1113429240 is about 33368.0871492509. The cubic root of 1113429240 is about 1036.4639648527.

The spelling of 1113429240 in words is "one billion, one hundred thirteen million, four hundred twenty-nine thousand, two hundred forty".