1206550902 has 8 divisors (see below), whose sum is σ = 2413101816. Its totient is φ = 402183632.

The previous prime is 1206550879. The next prime is 1206550921. The reversal of 1206550902 is 2090556021.

It is a happy number.

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

1206550902 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1206550902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100545903 + ... + 100545914.

It is an arithmetic number, because the mean of its divisors is an integer number (301637727).

Almost surely, 2^1206550902 is an apocalyptic number.

1206550902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1206550902 is a wasteful number, since it uses less digits than its factorization.

1206550902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201091822.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1206550902 is about 34735.4415834893. The cubic root of 1206550902 is about 1064.5887755302.

The spelling of 1206550902 in words is "one billion, two hundred six million, five hundred fifty thousand, nine hundred two".