1252011 has 4 divisors (see below), whose sum is σ = 1669352. Its totient is φ = 834672.

The previous prime is 1251983. The next prime is 1252021. The reversal of 1252011 is 1102521.

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

It is not a de Polignac number, because 1252011 - 2⁶ = 1251947 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252021) 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, 208666 + ... + 208671.

It is an arithmetic number, because the mean of its divisors is an integer number (417338).

2^1252011 is an apocalyptic number.

1252011 is a deficient number, since it is larger than the sum of its proper divisors (417341).

1252011 is an equidigital number, since it uses as much as digits as its factorization.

1252011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417340.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1252011 is about 1118.9329738639. The cubic root of 1252011 is about 107.7794711259.

Adding to 1252011 its reverse (1102521), we get a palindrome (2354532).

The spelling of 1252011 in words is "one million, two hundred fifty-two thousand, eleven".