1201051 has 4 divisors (see below), whose sum is σ = 1204600. Its totient is φ = 1197504.

The previous prime is 1201049. The next prime is 1201061. The reversal of 1201051 is 1501021.

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 1201051 - 2¹ = 1201049 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206 + ... + 1963.

It is an arithmetic number, because the mean of its divisors is an integer number (301150).

2^1201051 is an apocalyptic number.

1201051 is a deficient number, since it is larger than the sum of its proper divisors (3549).

1201051 is an equidigital number, since it uses as much as digits as its factorization.

1201051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548.

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

The square root of 1201051 is about 1095.9247236923. The cubic root of 1201051 is about 106.2968715920.

Adding to 1201051 its reverse (1501021), we get a palindrome (2702072).

The spelling of 1201051 in words is "one million, two hundred one thousand, fifty-one".