112521403 has 8 divisors (see below), whose sum is σ = 116080272. Its totient is φ = 108989856.

The previous prime is 112521389. The next prime is 112521467. The reversal of 112521403 is 304125211.

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

It is a cyclic number.

It is not a de Polignac number, because 112521403 - 2⁵ = 112521371 is a prime.

It is a super-2 number, since 2×112521403² = 25322132266176818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112531403) 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, 1701 + ... + 15097.

It is an arithmetic number, because the mean of its divisors is an integer number (14510034).

Almost surely, 2^112521403 is an apocalyptic number.

112521403 is a deficient number, since it is larger than the sum of its proper divisors (3558869).

112521403 is a wasteful number, since it uses less digits than its factorization.

112521403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13661.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 112521403 is about 10607.6106169109. The cubic root of 112521403 is about 482.7753042420.

Adding to 112521403 its reverse (304125211), we get a palindrome (416646614).

The spelling of 112521403 in words is "one hundred twelve million, five hundred twenty-one thousand, four hundred three".