1200150 has 96 divisors (see below), whose sum is σ = 3809280. Its totient is φ = 272160.

The previous prime is 1200139. The next prime is 1200161. The reversal of 1200150 is 510021.

1200150 = T₆₉ + T₇₀ + ... + T₁₉₅.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1200139) and next prime (1200161).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9387 + ... + 9513.

It is an arithmetic number, because the mean of its divisors is an integer number (39680).

2^1200150 is an apocalyptic number.

1200150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1904640).

1200150 is an abundant number, since it is smaller than the sum of its proper divisors (2609130).

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

1200150 is a wasteful number, since it uses less digits than its factorization.

1200150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 1200150 is about 1095.5135781906. The cubic root of 1200150 is about 106.2702844778.

Adding to 1200150 its reverse (510021), we get a palindrome (1710171).

The spelling of 1200150 in words is "one million, two hundred thousand, one hundred fifty".