112521455 has 8 divisors (see below), whose sum is σ = 136418352. Its totient is φ = 89088768.

The previous prime is 112521389. The next prime is 112521467. The reversal of 112521455 is 554125211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112521455 is a prime.

It is a super-2 number, since 2×112521455² = 25322155670634050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115517 + ... + 116486.

It is an arithmetic number, because the mean of its divisors is an integer number (17052294).

Almost surely, 2^112521455 is an apocalyptic number.

112521455 is a deficient number, since it is larger than the sum of its proper divisors (23896897).

112521455 is an equidigital number, since it uses as much as digits as its factorization.

112521455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232105.

The product of its digits is 2000, while the sum is 26.

The square root of 112521455 is about 10607.6130679809. The cubic root of 112521455 is about 482.7753786110.

Adding to 112521455 its reverse (554125211), we get a palindrome (666646666).

The spelling of 112521455 in words is "one hundred twelve million, five hundred twenty-one thousand, four hundred fifty-five".