1224507134397 has 4 divisors (see below), whose sum is σ = 1632676179200. Its totient is φ = 816338089596.

The previous prime is 1224507134359. The next prime is 1224507134399. The reversal of 1224507134397 is 7934317054221.

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.

It is not a de Polignac number, because 1224507134397 - 2⁸ = 1224507134141 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 (1224507134399) 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, 204084522397 + ... + 204084522402.

It is an arithmetic number, because the mean of its divisors is an integer number (408169044800).

Almost surely, 2^{1224507134397} is an apocalyptic number.

It is an amenable number.

1224507134397 is a deficient number, since it is larger than the sum of its proper divisors (408169044803).

1224507134397 is an equidigital number, since it uses as much as digits as its factorization.

1224507134397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408169044802.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 1224507134397 in words is "one trillion, two hundred twenty-four billion, five hundred seven million, one hundred thirty-four thousand, three hundred ninety-seven".