120003421 has 8 divisors (see below), whose sum is σ = 124936920. Its totient is φ = 115123008.

The previous prime is 120003413. The next prime is 120003427. The reversal of 120003421 is 124300021.

It can be written as a sum of positive squares in 4 ways, for example, as 6687396 + 113316025 = 2586^2 + 10645^2 .

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 120003421 - 2³ = 120003413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120003427) 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, 8626 + ... + 17731.

It is an arithmetic number, because the mean of its divisors is an integer number (15617115).

Almost surely, 2^120003421 is an apocalyptic number.

It is an amenable number.

120003421 is a deficient number, since it is larger than the sum of its proper divisors (4933499).

120003421 is a wasteful number, since it uses less digits than its factorization.

120003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26543.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120003421 is about 10954.6072955629. The cubic root of 120003421 is about 493.2471019946.

Adding to 120003421 its reverse (124300021), we get a palindrome (244303442).

The spelling of 120003421 in words is "one hundred twenty million, three thousand, four hundred twenty-one".