1131484261 has 8 divisors (see below), whose sum is σ = 1135779840. Its totient is φ = 1127196432.

The previous prime is 1131484229. The next prime is 1131484273. The reversal of 1131484261 is 1624841311.

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 1131484261 - 2⁵ = 1131484229 is a prime.

It is a super-2 number, since 2×1131484261² = 2560513265781432242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131484061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550111 + ... + 552163.

It is an arithmetic number, because the mean of its divisors is an integer number (141972480).

Almost surely, 2^1131484261 is an apocalyptic number.

It is an amenable number.

1131484261 is a deficient number, since it is larger than the sum of its proper divisors (4295579).

1131484261 is a wasteful number, since it uses less digits than its factorization.

1131484261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875.

The product of its digits is 4608, while the sum is 31.

The square root of 1131484261 is about 33637.5424340126. The cubic root of 1131484261 is about 1042.0362782599.

The spelling of 1131484261 in words is "one billion, one hundred thirty-one million, four hundred eighty-four thousand, two hundred sixty-one".