1158270417 has 12 divisors (see below), whose sum is σ = 1683077760. Its totient is φ = 767555448.

The previous prime is 1158270389. The next prime is 1158270431. The reversal of 1158270417 is 7140728511.

1158270417 is a `hidden beast` number, since 1 + 1 + 582 + 70 + 4 + 1 + 7 = 666.

It is not a de Polignac number, because 1158270417 - 2¹⁵ = 1158237649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1158270467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383817 + ... + 386822.

It is an arithmetic number, because the mean of its divisors is an integer number (140256480).

Almost surely, 2^1158270417 is an apocalyptic number.

It is an amenable number.

1158270417 is a deficient number, since it is larger than the sum of its proper divisors (524807343).

1158270417 is a wasteful number, since it uses less digits than its factorization.

1158270417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770812 (or 770809 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 1158270417 is about 34033.3721073889. The cubic root of 1158270417 is about 1050.1951011609.

Adding to 1158270417 its reverse (7140728511), we get a palindrome (8298998928).

The spelling of 1158270417 in words is "one billion, one hundred fifty-eight million, two hundred seventy thousand, four hundred seventeen".