1224003701 has 4 divisors (see below), whose sum is σ = 1225124652. Its totient is φ = 1222882752.

The previous prime is 1224003653. The next prime is 1224003707. The reversal of 1224003701 is 1073004221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1073004221 = 401 ⋅2675821.

It can be written as a sum of positive squares in 2 ways, for example, as 985332100 + 238671601 = 31390^2 + 15449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224003701 - 2³⁰ = 150261877 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 (1224003707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558836 + ... + 561021.

It is an arithmetic number, because the mean of its divisors is an integer number (306281163).

Almost surely, 2^1224003701 is an apocalyptic number.

It is an amenable number.

1224003701 is a deficient number, since it is larger than the sum of its proper divisors (1120951).

1224003701 is a wasteful number, since it uses less digits than its factorization.

1224003701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120950.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1224003701 is about 34985.7642620538. The cubic root of 1224003701 is about 1069.6973263911.

Adding to 1224003701 its reverse (1073004221), we get a palindrome (2297007922).

The spelling of 1224003701 in words is "one billion, two hundred twenty-four million, three thousand, seven hundred one".