11274131 has 4 divisors (see below), whose sum is σ = 12299064. Its totient is φ = 10249200.

The previous prime is 11274119. The next prime is 11274143. The reversal of 11274131 is 13147211.

It is a happy number.

11274131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (11274119) and next prime (11274143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11274131 is a prime.

It is a super-2 number, since 2×11274131² = 254212059610322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11274181) 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, 512450 + ... + 512471.

It is an arithmetic number, because the mean of its divisors is an integer number (3074766).

Almost surely, 2^11274131 is an apocalyptic number.

11274131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11274131 is a deficient number, since it is larger than the sum of its proper divisors (1024933).

11274131 is a wasteful number, since it uses less digits than its factorization.

11274131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024932.

The product of its digits is 168, while the sum is 20.

The square root of 11274131 is about 3357.6972764083. The cubic root of 11274131 is about 224.2303314761.

Subtracting 11274131 from its reverse (13147211), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 11274131 in words is "eleven million, two hundred seventy-four thousand, one hundred thirty-one".