1245123444152 has 32 divisors (see below), whose sum is σ = 2754190110720. Its totient is φ = 516410644320.

The previous prime is 1245123444143. The next prime is 1245123444167. The reversal of 1245123444152 is 2514443215421.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 358616768 + ... + 358620239.

It is an arithmetic number, because the mean of its divisors is an integer number (86068440960).

Almost surely, 2^{1245123444152} is an apocalyptic number.

It is an amenable number.

1245123444152 is an abundant number, since it is smaller than the sum of its proper divisors (1509066666568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245123444152 is a wasteful number, since it uses less digits than its factorization.

1245123444152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717237051 (or 717237047 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

Adding to 1245123444152 its reverse (2514443215421), we get a palindrome (3759566659573).

The spelling of 1245123444152 in words is "one trillion, two hundred forty-five billion, one hundred twenty-three million, four hundred forty-four thousand, one hundred fifty-two".