1124141720 has 64 divisors (see below), whose sum is σ = 2727648000. Its totient is φ = 414494208.

The previous prime is 1124141719. The next prime is 1124141729. The reversal of 1124141720 is 271414211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124141729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638201 + ... + 639959.

It is an arithmetic number, because the mean of its divisors is an integer number (42619500).

Almost surely, 2^1124141720 is an apocalyptic number.

1124141720 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 1124141720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363824000).

1124141720 is an abundant number, since it is smaller than the sum of its proper divisors (1603506280).

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

1124141720 is a wasteful number, since it uses less digits than its factorization.

1124141720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1124141720 is about 33528.2227384632. Note that the first 3 decimals coincide. The cubic root of 1124141720 is about 1039.7773561858. Note that the first 3 decimals are identical.

Adding to 1124141720 its reverse (271414211), we get a palindrome (1395555931).

The spelling of 1124141720 in words is "one billion, one hundred twenty-four million, one hundred forty-one thousand, seven hundred twenty".