1245735052 has 24 divisors (see below), whose sum is σ = 2202001200. Its totient is φ = 616605696.

The previous prime is 1245735041. The next prime is 1245735053. The reversal of 1245735052 is 2505375421.

It is a junction number, because it is equal to n+sod(n) for n = 1245734999 and 1245735017.

It is not an unprimeable number, because it can be changed into a prime (1245735053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658524 + ... + 660412.

It is an arithmetic number, because the mean of its divisors is an integer number (91750050).

Almost surely, 2^1245735052 is an apocalyptic number.

It is an amenable number.

1245735052 is a deficient number, since it is larger than the sum of its proper divisors (956266148).

1245735052 is a wasteful number, since it uses less digits than its factorization.

1245735052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 1245735052 is about 35294.9720498544. The cubic root of 1245735052 is about 1075.9908087365.

The spelling of 1245735052 in words is "one billion, two hundred forty-five million, seven hundred thirty-five thousand, fifty-two".