112521501 has 16 divisors (see below), whose sum is σ = 167077120. Its totient is φ = 74844000.

The previous prime is 112521499. The next prime is 112521547. The reversal of 112521501 is 105125211.

112521501 is a `hidden beast` number, since 112 + 52 + 1 + 501 = 666.

It is not a de Polignac number, because 112521501 - 2¹ = 112521499 is a prime.

It is a super-2 number, since 2×112521501² = 25322176374586002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112521571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8001 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (10442320).

Almost surely, 2^112521501 is an apocalyptic number.

It is an amenable number.

112521501 is a deficient number, since it is larger than the sum of its proper divisors (54555619).

112521501 is an equidigital number, since it uses as much as digits as its factorization.

112521501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473 (or 9467 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 112521501 is about 10607.6152362348. The cubic root of 112521501 is about 482.7754443990.

Adding to 112521501 its reverse (105125211), we get a palindrome (217646712).

The spelling of 112521501 in words is "one hundred twelve million, five hundred twenty-one thousand, five hundred one".