1211379 has 16 divisors (see below), whose sum is σ = 1764000. Its totient is φ = 734976.

The previous prime is 1211339. The next prime is 1211381. The reversal of 1211379 is 9731121.

It is not a de Polignac number, because 1211379 - 2¹⁶ = 1145843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1211339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3297 + ... + 3645.

It is an arithmetic number, because the mean of its divisors is an integer number (110250).

2^1211379 is an apocalyptic number.

1211379 is a deficient number, since it is larger than the sum of its proper divisors (552621).

1211379 is a wasteful number, since it uses less digits than its factorization.

1211379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its digits is 378, while the sum is 24.

The square root of 1211379 is about 1100.6266396921. The cubic root of 1211379 is about 106.6006894508.

The spelling of 1211379 in words is "one million, two hundred eleven thousand, three hundred seventy-nine".