1245230453237 has 4 divisors (see below), whose sum is σ = 1246486993536. Its totient is φ = 1243973912940.

The previous prime is 1245230453171. The next prime is 1245230453333. The reversal of 1245230453237 is 7323540325421.

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 a cyclic number.

It is not a de Polignac number, because 1245230453237 - 2¹⁶ = 1245230387701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245230453194 and 1245230453203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245230452237) 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, 628268663 + ... + 628270644.

It is an arithmetic number, because the mean of its divisors is an integer number (311621748384).

Almost surely, 2^{1245230453237} is an apocalyptic number.

It is an amenable number.

1245230453237 is a deficient number, since it is larger than the sum of its proper divisors (1256540299).

1245230453237 is an equidigital number, since it uses as much as digits as its factorization.

1245230453237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256540298.

The product of its (nonzero) digits is 604800, while the sum is 41.

Adding to 1245230453237 its reverse (7323540325421), we get a palindrome (8568770778658).

The spelling of 1245230453237 in words is "one trillion, two hundred forty-five billion, two hundred thirty million, four hundred fifty-three thousand, two hundred thirty-seven".