1157261106 has 8 divisors (see below), whose sum is σ = 2314522224. Its totient is φ = 385753700.

The previous prime is 1157261089. The next prime is 1157261113. The reversal of 1157261106 is 6011627511.

1157261106 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1157261106 is an admirable number.

It is a Curzon 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, 96438420 + ... + 96438431.

It is an arithmetic number, because the mean of its divisors is an integer number (289315278).

Almost surely, 2^1157261106 is an apocalyptic number.

1157261106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157261106 is a wasteful number, since it uses less digits than its factorization.

1157261106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192876856.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1157261106 is about 34018.5406212553. The cubic root of 1157261106 is about 1049.8899676081.

Adding to 1157261106 its reverse (6011627511), we get a palindrome (7168888617).

The spelling of 1157261106 in words is "one billion, one hundred fifty-seven million, two hundred sixty-one thousand, one hundred six".