1120534661 has 4 divisors (see below), whose sum is σ = 1144375872. Its totient is φ = 1096693452.

The previous prime is 1120534627. The next prime is 1120534663. The reversal of 1120534661 is 1664350211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120534661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120534663) 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, 11920535 + ... + 11920628.

It is an arithmetic number, because the mean of its divisors is an integer number (286093968).

Almost surely, 2^1120534661 is an apocalyptic number.

It is an amenable number.

1120534661 is a deficient number, since it is larger than the sum of its proper divisors (23841211).

1120534661 is an equidigital number, since it uses as much as digits as its factorization.

1120534661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23841210.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1120534661 is about 33474.3881348114. The cubic root of 1120534661 is about 1038.6640455154.

Adding to 1120534661 its reverse (1664350211), we get a palindrome (2784884872).

The spelling of 1120534661 in words is "one billion, one hundred twenty million, five hundred thirty-four thousand, six hundred sixty-one".