1134600261 has 4 divisors (see below), whose sum is σ = 1512800352. Its totient is φ = 756400172.

The previous prime is 1134600251. The next prime is 1134600277. The reversal of 1134600261 is 1620064311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1620064311 = 3 ⋅540021437.

It is a cyclic number.

It is not a de Polignac number, because 1134600261 - 2⁶ = 1134600197 is a prime.

It is a super-2 number, since 2×1134600261² = 2574635504522536242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134600251) 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, 189100041 + ... + 189100046.

It is an arithmetic number, because the mean of its divisors is an integer number (378200088).

Almost surely, 2^1134600261 is an apocalyptic number.

It is an amenable number.

1134600261 is a deficient number, since it is larger than the sum of its proper divisors (378200091).

1134600261 is an equidigital number, since it uses as much as digits as its factorization.

1134600261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378200090.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1134600261 is about 33683.8278852033. The cubic root of 1134600261 is about 1042.9919577679.

Adding to 1134600261 its reverse (1620064311), we get a palindrome (2754664572).

The spelling of 1134600261 in words is "one billion, one hundred thirty-four million, six hundred thousand, two hundred sixty-one".