1245432252 has 12 divisors (see below), whose sum is σ = 2906008616. Its totient is φ = 415144080.

The previous prime is 1245432241. The next prime is 1245432259. The reversal of 1245432252 is 2522345421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1245432252² = 3102202988643583008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245432259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51892999 + ... + 51893022.

Almost surely, 2^1245432252 is an apocalyptic number.

1245432252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245432252 is an abundant number, since it is smaller than the sum of its proper divisors (1660576364).

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

1245432252 is a wasteful number, since it uses less digits than its factorization.

1245432252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103786028 (or 103786026 counting only the distinct ones).

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

The square root of 1245432252 is about 35290.6822263328. The cubic root of 1245432252 is about 1075.9036215459.

Adding to 1245432252 its reverse (2522345421), we get a palindrome (3767777673).

The spelling of 1245432252 in words is "one billion, two hundred forty-five million, four hundred thirty-two thousand, two hundred fifty-two".