123560142 has 16 divisors (see below), whose sum is σ = 253148112. Its totient is φ = 40182080.

The previous prime is 123560137. The next prime is 123560147. The reversal of 123560142 is 241065321.

It is an interprime number because it is at equal distance from previous prime (123560137) and next prime (123560147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123560147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250893 + ... + 251384.

It is an arithmetic number, because the mean of its divisors is an integer number (15821757).

Almost surely, 2^123560142 is an apocalyptic number.

123560142 is an abundant number, since it is smaller than the sum of its proper divisors (129587970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123560142 is a wasteful number, since it uses less digits than its factorization.

123560142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502323.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 123560142 is about 11115.7609726010. The cubic root of 123560142 is about 498.0727704500.

The spelling of 123560142 in words is "one hundred twenty-three million, five hundred sixty thousand, one hundred forty-two".