123535061 has 4 divisors (see below), whose sum is σ = 133037772. Its totient is φ = 114032352.

The previous prime is 123535057. The next prime is 123535133. The reversal of 123535061 is 160535321.

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 30316036 + 93219025 = 5506^2 + 9655^2 .

It is a cyclic number.

It is not a de Polignac number, because 123535061 - 2² = 123535057 is a prime.

It is a super-2 number, since 2×123535061² = 30521822592547442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123535061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123535051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4751336 + ... + 4751361.

It is an arithmetic number, because the mean of its divisors is an integer number (33259443).

Almost surely, 2^123535061 is an apocalyptic number.

It is an amenable number.

123535061 is a deficient number, since it is larger than the sum of its proper divisors (9502711).

123535061 is an equidigital number, since it uses as much as digits as its factorization.

123535061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502710.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 123535061 is about 11114.6327424706. The cubic root of 123535061 is about 498.0390675415.

The spelling of 123535061 in words is "one hundred twenty-three million, five hundred thirty-five thousand, sixty-one".