1111420036 has 12 divisors (see below), whose sum is σ = 1971629212. Its totient is φ = 548097408.

The previous prime is 1111420031. The next prime is 1111420039. The reversal of 1111420036 is 6300241111.

It can be written as a sum of positive squares in 2 ways, for example, as 753831936 + 357588100 = 27456^2 + 18910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111419995 and 1111420022.

It is not an unprimeable number, because it can be changed into a prime (1111420031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902825 + ... + 1903408.

Almost surely, 2^1111420036 is an apocalyptic number.

It is an amenable number.

1111420036 is a deficient number, since it is larger than the sum of its proper divisors (860209176).

1111420036 is a wasteful number, since it uses less digits than its factorization.

1111420036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806310 (or 3806308 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1111420036 is about 33337.9668846197. The cubic root of 1111420036 is about 1035.8401499022.

Adding to 1111420036 its reverse (6300241111), we get a palindrome (7411661147).

The spelling of 1111420036 in words is "one billion, one hundred eleven million, four hundred twenty thousand, thirty-six".