1245344052 has 24 divisors (see below), whose sum is σ = 2913603616. Its totient is φ = 414000288.

The previous prime is 1245344041. The next prime is 1245344069. The reversal of 1245344052 is 2504435421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134638 + ... + 143589.

Almost surely, 2^1245344052 is an apocalyptic number.

1245344052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245344052 is an abundant number, since it is smaller than the sum of its proper divisors (1668259564).

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

1245344052 is a wasteful number, since it uses less digits than its factorization.

1245344052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278607 (or 278605 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1245344052 is about 35289.4325825735. The cubic root of 1245344052 is about 1075.8782228835.

Adding to 1245344052 its reverse (2504435421), we get a palindrome (3749779473).

The spelling of 1245344052 in words is "one billion, two hundred forty-five million, three hundred forty-four thousand, fifty-two".