1161255254 has 8 divisors (see below), whose sum is σ = 1743657840. Its totient is φ = 580035976.

The previous prime is 1161255247. The next prime is 1161255299. The reversal of 1161255254 is 4525521611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1161255254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293369 + ... + 297300.

It is an arithmetic number, because the mean of its divisors is an integer number (217957230).

Almost surely, 2^1161255254 is an apocalyptic number.

1161255254 is a deficient number, since it is larger than the sum of its proper divisors (582402586).

1161255254 is an equidigital number, since it uses as much as digits as its factorization.

1161255254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591654.

The product of its digits is 12000, while the sum is 32.

The square root of 1161255254 is about 34077.1955125418. The cubic root of 1161255254 is about 1051.0964371376.

Adding to 1161255254 its reverse (4525521611), we get a palindrome (5686776865).

It can be divided in two parts, 11612 and 55254, that added together give a palindrome (66866).

The spelling of 1161255254 in words is "one billion, one hundred sixty-one million, two hundred fifty-five thousand, two hundred fifty-four".