11379121 has 4 divisors (see below), whose sum is σ = 12254452. Its totient is φ = 10503792.

The previous prime is 11379113. The next prime is 11379143. The reversal of 11379121 is 12197311.

11379121 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12197311 = 7 ⋅1742473.

It can be written as a sum of positive squares in 2 ways, for example, as 2852721 + 8526400 = 1689^2 + 2920^2 .

It is not a de Polignac number, because 11379121 - 2³ = 11379113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11379101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437646 + ... + 437671.

It is an arithmetic number, because the mean of its divisors is an integer number (3063613).

Almost surely, 2^11379121 is an apocalyptic number.

It is an amenable number.

11379121 is a deficient number, since it is larger than the sum of its proper divisors (875331).

11379121 is an equidigital number, since it uses as much as digits as its factorization.

11379121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875330.

The product of its digits is 378, while the sum is 25.

The square root of 11379121 is about 3373.2952731713. The cubic root of 11379121 is about 224.9242279835.

The spelling of 11379121 in words is "eleven million, three hundred seventy-nine thousand, one hundred twenty-one".