1124636420 has 12 divisors (see below), whose sum is σ = 2361736524. Its totient is φ = 449854560.

The previous prime is 1124636407. The next prime is 1124636449. The reversal of 1124636420 is 246364211.

It can be written as a sum of positive squares in 2 ways, for example, as 610979524 + 513656896 = 24718^2 + 22664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28115891 + ... + 28115930.

It is an arithmetic number, because the mean of its divisors is an integer number (196811377).

Almost surely, 2^1124636420 is an apocalyptic number.

1124636420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124636420 is an abundant number, since it is smaller than the sum of its proper divisors (1237100104).

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

1124636420 is a wasteful number, since it uses less digits than its factorization.

1124636420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56231830 (or 56231828 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1124636420 is about 33535.5992938847. The cubic root of 1124636420 is about 1039.9298584352.

It can be divided in two parts, 1 and 124636420, that added together give a palindrome (124636421).

The spelling of 1124636420 in words is "one billion, one hundred twenty-four million, six hundred thirty-six thousand, four hundred twenty".