1154791479 has 8 divisors (see below), whose sum is σ = 1554967152. Its totient is φ = 762238400.

The previous prime is 1154791439. The next prime is 1154791501. The reversal of 1154791479 is 9741974511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1154791479 - 2¹⁷ = 1154660407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154791439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905294 + ... + 1905899.

It is an arithmetic number, because the mean of its divisors is an integer number (194370894).

Almost surely, 2^1154791479 is an apocalyptic number.

1154791479 is a deficient number, since it is larger than the sum of its proper divisors (400175673).

1154791479 is a wasteful number, since it uses less digits than its factorization.

1154791479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811297.

The product of its digits is 317520, while the sum is 48.

The square root of 1154791479 is about 33982.2229849667. Note that the first 3 decimals coincide. The cubic root of 1154791479 is about 1049.1426043778.

The spelling of 1154791479 in words is "one billion, one hundred fifty-four million, seven hundred ninety-one thousand, four hundred seventy-nine".