1401211 has 8 divisors (see below), whose sum is σ = 1635840. Its totient is φ = 1175208.

The previous prime is 1401203. The next prime is 1401217. The reversal of 1401211 is 1121041.

1401211 = 21² + 22² + ... + 161².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401211 - 2³ = 1401203 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (204480).

2^1401211 is an apocalyptic number.

1401211 is a deficient number, since it is larger than the sum of its proper divisors (234629).

1401211 is an equidigital number, since it uses as much as digits as its factorization.

1401211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1401211 is about 1183.7275869050. The cubic root of 1401211 is about 111.9011404434.

Adding to 1401211 its reverse (1121041), we get a palindrome (2522252).

The spelling of 1401211 in words is "one million, four hundred one thousand, two hundred eleven".