1054267279 has 4 divisors (see below), whose sum is σ = 1135364776. Its totient is φ = 973169784.

The previous prime is 1054267271. The next prime is 1054267327. The reversal of 1054267279 is 9727624501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054267279 - 2³ = 1054267271 is a prime.

It is a super-2 number, since 2×1054267279² = 2222958991140127682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054267271) 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, 40548729 + ... + 40548754.

It is an arithmetic number, because the mean of its divisors is an integer number (283841194).

Almost surely, 2^1054267279 is an apocalyptic number.

1054267279 is a deficient number, since it is larger than the sum of its proper divisors (81097497).

1054267279 is an equidigital number, since it uses as much as digits as its factorization.

1054267279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81097496.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 1054267279 is about 32469.4822718195. The cubic root of 1054267279 is about 1017.7713994901.

The spelling of 1054267279 in words is "one billion, fifty-four million, two hundred sixty-seven thousand, two hundred seventy-nine".