1158672041 has 4 divisors (see below), whose sum is σ = 1219654800. Its totient is φ = 1097689284.

The previous prime is 1158672037. The next prime is 1158672103. The reversal of 1158672041 is 1402768511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1158672041 - 2² = 1158672037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1158671992 and 1158672010.

It is not an unprimeable number, because it can be changed into a prime (1158672001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30491351 + ... + 30491388.

It is an arithmetic number, because the mean of its divisors is an integer number (304913700).

Almost surely, 2^1158672041 is an apocalyptic number.

It is an amenable number.

1158672041 is a deficient number, since it is larger than the sum of its proper divisors (60982759).

1158672041 is an equidigital number, since it uses as much as digits as its factorization.

1158672041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60982758.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1158672041 is about 34039.2720398072. The cubic root of 1158672041 is about 1050.3164702902.

The spelling of 1158672041 in words is "one billion, one hundred fifty-eight million, six hundred seventy-two thousand, forty-one".