1054842155 has 4 divisors (see below), whose sum is σ = 1265810592. Its totient is φ = 843873720.

The previous prime is 1054842127. The next prime is 1054842193. The reversal of 1054842155 is 5512484501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5512484501 = 103 ⋅53519267.

It is not a de Polignac number, because 1054842155 - 2¹⁰ = 1054841131 is a prime.

It is a super-2 number, since 2×1054842155² = 2225383943930088050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105484211 + ... + 105484220.

It is an arithmetic number, because the mean of its divisors is an integer number (316452648).

Almost surely, 2^1054842155 is an apocalyptic number.

1054842155 is a deficient number, since it is larger than the sum of its proper divisors (210968437).

1054842155 is an equidigital number, since it uses as much as digits as its factorization.

1054842155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210968436.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 1054842155 is about 32478.3336241255. Note that the first 3 decimals coincide. The cubic root of 1054842155 is about 1017.9563576588.

The spelling of 1054842155 in words is "one billion, fifty-four million, eight hundred forty-two thousand, one hundred fifty-five".