1114565261 has 4 divisors (see below), whose sum is σ = 1118369532. Its totient is φ = 1110760992.

The previous prime is 1114565209. The next prime is 1114565273. The reversal of 1114565261 is 1625654111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1625654111 = 4021 ⋅404291.

It can be written as a sum of positive squares in 2 ways, for example, as 599956036 + 514609225 = 24494^2 + 22685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114565261 - 2²² = 1110370957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114565561) 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, 1901696 + ... + 1902281.

It is an arithmetic number, because the mean of its divisors is an integer number (279592383).

Almost surely, 2^1114565261 is an apocalyptic number.

It is an amenable number.

1114565261 is a deficient number, since it is larger than the sum of its proper divisors (3804271).

1114565261 is an equidigital number, since it uses as much as digits as its factorization.

1114565261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804270.

The product of its digits is 7200, while the sum is 32.

The square root of 1114565261 is about 33385.1053764999. The cubic root of 1114565261 is about 1036.8163430638.

The spelling of 1114565261 in words is "one billion, one hundred fourteen million, five hundred sixty-five thousand, two hundred sixty-one".