61120733 has 4 divisors (see below), whose sum is σ = 61374588. Its totient is φ = 60866880.

The previous prime is 61120721. The next prime is 61120753. The reversal of 61120733 is 33702116.

It is a happy number.

61120733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23396569 + 37724164 = 4837^2 + 6142^2 .

It is a cyclic number.

It is not a de Polignac number, because 61120733 - 2¹⁴ = 61104349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61120699 and 61120708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61120753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126566 + ... + 127047.

It is an arithmetic number, because the mean of its divisors is an integer number (15343647).

Almost surely, 2^61120733 is an apocalyptic number.

It is an amenable number.

61120733 is a deficient number, since it is larger than the sum of its proper divisors (253855).

61120733 is a wasteful number, since it uses less digits than its factorization.

61120733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253854.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 61120733 is about 7817.9749935645. The cubic root of 61120733 is about 393.9092548708.

Adding to 61120733 its reverse (33702116), we get a palindrome (94822849).

The spelling of 61120733 in words is "sixty-one million, one hundred twenty thousand, seven hundred thirty-three".