120561053 has 4 divisors (see below), whose sum is σ = 122259168. Its totient is φ = 118862940.

The previous prime is 120561047. The next prime is 120561079. The reversal of 120561053 is 350165021.

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 not a de Polignac number, because 120561053 - 2⁶ = 120560989 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 (120561043) 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, 848951 + ... + 849092.

It is an arithmetic number, because the mean of its divisors is an integer number (30564792).

Almost surely, 2^120561053 is an apocalyptic number.

It is an amenable number.

120561053 is a deficient number, since it is larger than the sum of its proper divisors (1698115).

120561053 is an equidigital number, since it uses as much as digits as its factorization.

120561053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698114.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 120561053 is about 10980.0297358432. The cubic root of 120561053 is about 494.0099286634.

The spelling of 120561053 in words is "one hundred twenty million, five hundred sixty-one thousand, fifty-three".