1161241426 has 8 divisors (see below), whose sum is σ = 1742258700. Its totient is φ = 580488528.

The previous prime is 1161241421. The next prime is 1161241429. The reversal of 1161241426 is 6241421611.

It can be written as a sum of positive squares in 2 ways, for example, as 1082475801 + 78765625 = 32901^2 + 8875^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1161241394 and 1161241403.

It is not an unprimeable number, because it can be changed into a prime (1161241421) 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, 54721 + ... + 72916.

Almost surely, 2^1161241426 is an apocalyptic number.

1161241426 is a deficient number, since it is larger than the sum of its proper divisors (581017274).

1161241426 is a wasteful number, since it uses less digits than its factorization.

1161241426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132188.

The product of its digits is 2304, while the sum is 28.

The square root of 1161241426 is about 34076.9926196547. The cubic root of 1161241426 is about 1051.0922650376.

The spelling of 1161241426 in words is "one billion, one hundred sixty-one million, two hundred forty-one thousand, four hundred twenty-six".