1224501297 has 4 divisors (see below), whose sum is σ = 1632668400. Its totient is φ = 816334196.

The previous prime is 1224501283. The next prime is 1224501319. The reversal of 1224501297 is 7921054221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7921054221 = 3 ⋅2640351407.

It is a cyclic number.

It is not a de Polignac number, because 1224501297 - 2⁷ = 1224501169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224501217) 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, 204083547 + ... + 204083552.

It is an arithmetic number, because the mean of its divisors is an integer number (408167100).

Almost surely, 2^1224501297 is an apocalyptic number.

It is an amenable number.

1224501297 is a deficient number, since it is larger than the sum of its proper divisors (408167103).

1224501297 is an equidigital number, since it uses as much as digits as its factorization.

1224501297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408167102.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1224501297 is about 34992.8749461944. The cubic root of 1224501297 is about 1069.8422619545.

The spelling of 1224501297 in words is "one billion, two hundred twenty-four million, five hundred one thousand, two hundred ninety-seven".