1200051 has 12 divisors (see below), whose sum is σ = 1770912. Its totient is φ = 782736.

The previous prime is 1200007. The next prime is 1200061. The reversal of 1200051 is 1500021.

It is a happy number.

It is not a de Polignac number, because 1200051 - 2⁷ = 1199923 is a prime.

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

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1200061) 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, 996 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (147576).

2^1200051 is an apocalyptic number.

1200051 is a deficient number, since it is larger than the sum of its proper divisors (570861).

1200051 is a wasteful number, since it uses less digits than its factorization.

1200051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 2887 counting only the distinct ones).

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

The square root of 1200051 is about 1095.4683929717. The cubic root of 1200051 is about 106.2673623299.

Adding to 1200051 its reverse (1500021), we get a palindrome (2700072).

The spelling of 1200051 in words is "one million, two hundred thousand, fifty-one".