1200922655 has 8 divisors (see below), whose sum is σ = 1441413792. Its totient is φ = 960533728.

The previous prime is 1200922633. The next prime is 1200922663. The reversal of 1200922655 is 5562290021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200922655 - 2¹² = 1200918559 is a prime.

It is a Duffinian number.

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, 3254 + ... + 49116.

It is an arithmetic number, because the mean of its divisors is an integer number (180176724).

Almost surely, 2^1200922655 is an apocalyptic number.

1200922655 is a deficient number, since it is larger than the sum of its proper divisors (240491137).

1200922655 is an equidigital number, since it uses as much as digits as its factorization.

1200922655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1200922655 is about 34654.3309703131. The cubic root of 1200922655 is about 1062.9308514222.

The spelling of 1200922655 in words is "one billion, two hundred million, nine hundred twenty-two thousand, six hundred fifty-five".