1158674101 has 4 divisors (see below), whose sum is σ = 1247802892. Its totient is φ = 1069545312.

The previous prime is 1158674071. The next prime is 1158674113. The reversal of 1158674101 is 1014768511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1014768511 = 19 ⋅53408869.

It can be written as a sum of positive squares in 2 ways, for example, as 243672100 + 915002001 = 15610^2 + 30249^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158674101 - 2¹⁹ = 1158149813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158674141) 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, 44564376 + ... + 44564401.

It is an arithmetic number, because the mean of its divisors is an integer number (311950723).

Almost surely, 2^1158674101 is an apocalyptic number.

It is an amenable number.

1158674101 is a deficient number, since it is larger than the sum of its proper divisors (89128791).

1158674101 is an equidigital number, since it uses as much as digits as its factorization.

1158674101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89128790.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 1158674101 is about 34039.3022989602. The cubic root of 1158674101 is about 1050.3170927415.

The spelling of 1158674101 in words is "one billion, one hundred fifty-eight million, six hundred seventy-four thousand, one hundred one".