1224236401 has 8 divisors (see below), whose sum is σ = 1251008640. Its totient is φ = 1197494448.

The previous prime is 1224236381. The next prime is 1224236411. The reversal of 1224236401 is 1046324221.

It is a happy number.

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 1224236401 - 2⁵ = 1224236369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224236411) 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, 86835 + ... + 99943.

It is an arithmetic number, because the mean of its divisors is an integer number (156376080).

Almost surely, 2^1224236401 is an apocalyptic number.

It is an amenable number.

1224236401 is a deficient number, since it is larger than the sum of its proper divisors (26772239).

1224236401 is a wasteful number, since it uses less digits than its factorization.

1224236401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1224236401 is about 34989.0897423754. The cubic root of 1224236401 is about 1069.7651101717.

The spelling of 1224236401 in words is "one billion, two hundred twenty-four million, two hundred thirty-six thousand, four hundred one".