113142501 has 24 divisors (see below), whose sum is σ = 170089920. Its totient is φ = 75157632.

The previous prime is 113142461. The next prime is 113142509. The reversal of 113142501 is 105241311.

It is not a de Polignac number, because 113142501 - 2⁶ = 113142437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113142509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85120 + ... + 86438.

It is an arithmetic number, because the mean of its divisors is an integer number (7087080).

Almost surely, 2^113142501 is an apocalyptic number.

It is an amenable number.

113142501 is a deficient number, since it is larger than the sum of its proper divisors (56947419).

113142501 is an equidigital number, since it uses as much as digits as its factorization.

113142501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 113142501 is about 10636.8463841498. The cubic root of 113142501 is about 483.6619526071.

Adding to 113142501 its reverse (105241311), we get a palindrome (218383812).

The spelling of 113142501 in words is "one hundred thirteen million, one hundred forty-two thousand, five hundred one".