1206953099 has 12 divisors (see below), whose sum is σ = 1333550568. Its totient is φ = 1091523840.

The previous prime is 1206953051. The next prime is 1206953141. The reversal of 1206953099 is 9903596021.

It is a de Polignac number, because none of the positive numbers 2^k-1206953099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206953899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2489 + ... + 49194.

It is an arithmetic number, because the mean of its divisors is an integer number (111129214).

Almost surely, 2^1206953099 is an apocalyptic number.

1206953099 is a deficient number, since it is larger than the sum of its proper divisors (126597469).

1206953099 is a wasteful number, since it uses less digits than its factorization.

1206953099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51898 (or 51887 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 1206953099 is about 34741.2305337620. The cubic root of 1206953099 is about 1064.7070539615.

The spelling of 1206953099 in words is "one billion, two hundred six million, nine hundred fifty-three thousand, ninety-nine".