1200151 has 4 divisors (see below), whose sum is σ = 1204704. Its totient is φ = 1195600.

The previous prime is 1200139. The next prime is 1200161. The reversal of 1200151 is 1510021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200151 - 2¹¹ = 1198103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855 + ... + 2416.

It is an arithmetic number, because the mean of its divisors is an integer number (301176).

2^1200151 is an apocalyptic number.

1200151 is a deficient number, since it is larger than the sum of its proper divisors (4553).

1200151 is an equidigital number, since it uses as much as digits as its factorization.

1200151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552.

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

The square root of 1200151 is about 1095.5140345975. The cubic root of 1200151 is about 106.2703139936.

Adding to 1200151 its reverse (1510021), we get a palindrome (2710172).

The spelling of 1200151 in words is "one million, two hundred thousand, one hundred fifty-one".