1054999879 has 4 divisors (see below), whose sum is σ = 1055178576. Its totient is φ = 1054821184.

The previous prime is 1054999867. The next prime is 1054999921. The reversal of 1054999879 is 9789994501.

1054999879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1054999879 - 2¹¹ = 1054997831 is a prime.

It is a super-2 number, since 2×1054999879² = 2226049489380029282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054999679) 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, 80179 + ... + 92404.

It is an arithmetic number, because the mean of its divisors is an integer number (263794644).

Almost surely, 2^1054999879 is an apocalyptic number.

1054999879 is a deficient number, since it is larger than the sum of its proper divisors (178697).

1054999879 is an equidigital number, since it uses as much as digits as its factorization.

1054999879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178696.

The product of its (nonzero) digits is 7348320, while the sum is 61.

The square root of 1054999879 is about 32480.7616751824. The cubic root of 1054999879 is about 1018.0070913622.

The spelling of 1054999879 in words is "one billion, fifty-four million, nine hundred ninety-nine thousand, eight hundred seventy-nine".