1124402020 has 96 divisors (see below), whose sum is σ = 2799820800. Its totient is φ = 379048320.

The previous prime is 1124402011. The next prime is 1124402033. The reversal of 1124402020 is 202044211.

It is a junction number, because it is equal to n+sod(n) for n = 1124401985 and 1124402003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417117 + ... + 419803.

It is an arithmetic number, because the mean of its divisors is an integer number (29164800).

Almost surely, 2^1124402020 is an apocalyptic number.

1124402020 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 1124402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399910400).

1124402020 is an abundant number, since it is smaller than the sum of its proper divisors (1675418780).

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

1124402020 is a wasteful number, since it uses less digits than its factorization.

1124402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1124402020 is about 33532.1043181009. The cubic root of 1124402020 is about 1039.8576050113.

Adding to 1124402020 its reverse (202044211), we get a palindrome (1326446231).

The spelling of 1124402020 in words is "one billion, one hundred twenty-four million, four hundred two thousand, twenty".