1120077428 has 24 divisors (see below), whose sum is σ = 1975133160. Its totient is φ = 555766400.

The previous prime is 1120077403. The next prime is 1120077433. The reversal of 1120077428 is 8247700211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 811794064 + 308283364 = 28492^2 + 17558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1120077394 and 1120077403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483938 + ... + 486246.

It is an arithmetic number, because the mean of its divisors is an integer number (82297215).

Almost surely, 2^1120077428 is an apocalyptic number.

It is an amenable number.

1120077428 is a deficient number, since it is larger than the sum of its proper divisors (855055732).

1120077428 is a wasteful number, since it uses less digits than its factorization.

1120077428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 1120077428 is about 33467.5578433802. The cubic root of 1120077428 is about 1038.5227510350.

Adding to 1120077428 its reverse (8247700211), we get a palindrome (9367777639).

The spelling of 1120077428 in words is "one billion, one hundred twenty million, seventy-seven thousand, four hundred twenty-eight".