1200554552 has 96 divisors (see below), whose sum is σ = 2530465920. Its totient is φ = 532815360.

The previous prime is 1200554533. The next prime is 1200554561. The reversal of 1200554552 is 2554550021.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5689727 + ... + 5689937.

It is an arithmetic number, because the mean of its divisors is an integer number (26359020).

Almost surely, 2^1200554552 is an apocalyptic number.

It is an amenable number.

1200554552 is an abundant number, since it is smaller than the sum of its proper divisors (1329911368).

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

1200554552 is a wasteful number, since it uses less digits than its factorization.

1200554552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1200554552 is about 34649.0194955067. The cubic root of 1200554552 is about 1062.8222382607.

The spelling of 1200554552 in words is "one billion, two hundred million, five hundred fifty-four thousand, five hundred fifty-two".