1245152354227 has 16 divisors (see below), whose sum is σ = 1388011226400. Its totient is φ = 1110048468480.

The previous prime is 1245152354191. The next prime is 1245152354311. The reversal of 1245152354227 is 7224532515421.

It is a cyclic number.

It is not a de Polignac number, because 1245152354227 - 2¹⁵ = 1245152321459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1245152354627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699549 + ... + 2319217.

It is an arithmetic number, because the mean of its divisors is an integer number (86750701650).

Almost surely, 2^{1245152354227} is an apocalyptic number.

1245152354227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1245152354227 is a deficient number, since it is larger than the sum of its proper divisors (142858872173).

1245152354227 is a wasteful number, since it uses less digits than its factorization.

1245152354227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625926.

The product of its digits is 672000, while the sum is 43.

Adding to 1245152354227 its reverse (7224532515421), we get a palindrome (8469684869648).

It can be divided in two parts, 124515 and 2354227, that added together give a palindrome (2478742).

The spelling of 1245152354227 in words is "one trillion, two hundred forty-five billion, one hundred fifty-two million, three hundred fifty-four thousand, two hundred twenty-seven".