113248621 has 4 divisors (see below), whose sum is σ = 114843744. Its totient is φ = 111653500.

The previous prime is 113248613. The next prime is 113248643. The reversal of 113248621 is 126842311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 126842311 = 313 ⋅405247.

It is a cyclic number.

It is not a de Polignac number, because 113248621 - 2³ = 113248613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113248621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113248661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797455 + ... + 797596.

It is an arithmetic number, because the mean of its divisors is an integer number (28710936).

Almost surely, 2^113248621 is an apocalyptic number.

It is an amenable number.

113248621 is a deficient number, since it is larger than the sum of its proper divisors (1595123).

113248621 is an equidigital number, since it uses as much as digits as its factorization.

113248621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595122.

The product of its digits is 2304, while the sum is 28.

The square root of 113248621 is about 10641.8335356272. The cubic root of 113248621 is about 483.8131194026.

The spelling of 113248621 in words is "one hundred thirteen million, two hundred forty-eight thousand, six hundred twenty-one".