1158004197 has 24 divisors (see below), whose sum is σ = 1912809600. Its totient is φ = 661307040.

The previous prime is 1158004193. The next prime is 1158004217. The reversal of 1158004197 is 7914008511.

It is not a de Polignac number, because 1158004197 - 2² = 1158004193 is a prime.

It is a super-2 number, since 2×1158004197² = 2681947440539229618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158004193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118072 + ... + 127502.

It is an arithmetic number, because the mean of its divisors is an integer number (79700400).

Almost surely, 2^1158004197 is an apocalyptic number.

It is an amenable number.

1158004197 is a deficient number, since it is larger than the sum of its proper divisors (754805403).

1158004197 is a wasteful number, since it uses less digits than its factorization.

1158004197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393 (or 11390 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1158004197 is about 34029.4607215571. The cubic root of 1158004197 is about 1050.1146351032.

The spelling of 1158004197 in words is "one billion, one hundred fifty-eight million, four thousand, one hundred ninety-seven".