1209907150 has 12 divisors (see below), whose sum is σ = 2250427392. Its totient is φ = 483962840.

The previous prime is 1209907133. The next prime is 1209907169. The reversal of 1209907150 is 517099021.

It is a super-2 number, since 2×1209907150² = 2927750623242245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12099022 + ... + 12099121.

It is an arithmetic number, because the mean of its divisors is an integer number (187535616).

Almost surely, 2^1209907150 is an apocalyptic number.

1209907150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1209907150 is a deficient number, since it is larger than the sum of its proper divisors (1040520242).

1209907150 is a wasteful number, since it uses less digits than its factorization.

1209907150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24198155 (or 24198150 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 1209907150 is about 34783.7196113354. The cubic root of 1209907150 is about 1065.5749795494.

The spelling of 1209907150 in words is "one billion, two hundred nine million, nine hundred seven thousand, one hundred fifty".