748121 has 8 divisors (see below), whose sum is σ = 851904. Its totient is φ = 650320.

The previous prime is 748093. The next prime is 748133. The reversal of 748121 is 121847.

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

It is not a de Polignac number, because 748121 - 2⁶ = 748057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748021) 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 7 ways as a sum of consecutive naturals, for example, 1226 + ... + 1731.

It is an arithmetic number, because the mean of its divisors is an integer number (106488).

2⁷⁴⁸¹²¹ is an apocalyptic number.

It is an amenable number.

748121 is a deficient number, since it is larger than the sum of its proper divisors (103783).

748121 is a wasteful number, since it uses less digits than its factorization.

748121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its digits is 448, while the sum is 23.

The square root of 748121 is about 864.9398823040. The cubic root of 748121 is about 90.7800913094.

Adding to 748121 its reverse (121847), we get a palindrome (869968).

The spelling of 748121 in words is "seven hundred forty-eight thousand, one hundred twenty-one".