1120727642 has 4 divisors (see below), whose sum is σ = 1681091466. Its totient is φ = 560363820.

The previous prime is 1120727627. The next prime is 1120727651. The reversal of 1120727642 is 2467270211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 682202161 + 438525481 = 26119^2 + 20941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1120727599 and 1120727608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280181909 + ... + 280181912.

Almost surely, 2^1120727642 is an apocalyptic number.

1120727642 is a deficient number, since it is larger than the sum of its proper divisors (560363824).

1120727642 is an equidigital number, since it uses as much as digits as its factorization.

1120727642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560363823.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 1120727642 is about 33477.2705279269. The cubic root of 1120727642 is about 1038.7236691121.

Adding to 1120727642 its reverse (2467270211), we get a palindrome (3587997853).

The spelling of 1120727642 in words is "one billion, one hundred twenty million, seven hundred twenty-seven thousand, six hundred forty-two".