121225043 has 8 divisors (see below), whose sum is σ = 123587280. Its totient is φ = 118879200.

The previous prime is 121225033. The next prime is 121225051. The reversal of 121225043 is 340522121.

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-121225043 is a prime.

It is a super-2 number, since 2×121225043² = 29391022100703698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121225033) 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, 11393 + ... + 19293.

It is an arithmetic number, because the mean of its divisors is an integer number (15448410).

Almost surely, 2^121225043 is an apocalyptic number.

121225043 is a deficient number, since it is larger than the sum of its proper divisors (2362237).

121225043 is an equidigital number, since it uses as much as digits as its factorization.

121225043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8197.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121225043 is about 11010.2244754592. The cubic root of 121225043 is about 494.9151886802.

Adding to 121225043 its reverse (340522121), we get a palindrome (461747164).

The spelling of 121225043 in words is "one hundred twenty-one million, two hundred twenty-five thousand, forty-three".