1200252546 has 32 divisors (see below), whose sum is σ = 2739319680. Its totient is φ = 389270448.

The previous prime is 1200252497. The next prime is 1200252569. The reversal of 1200252546 is 6452520021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298366 + ... + 302361.

It is an arithmetic number, because the mean of its divisors is an integer number (85603740).

Almost surely, 2^1200252546 is an apocalyptic number.

1200252546 is an abundant number, since it is smaller than the sum of its proper divisors (1539067134).

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

1200252546 is a wasteful number, since it uses less digits than its factorization.

1200252546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600775 (or 600769 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1200252546 is about 34644.6611471378. The cubic root of 1200252546 is about 1062.7331112233.

Adding to 1200252546 its reverse (6452520021), we get a palindrome (7652772567).

The spelling of 1200252546 in words is "one billion, two hundred million, two hundred fifty-two thousand, five hundred forty-six".