1054387155 has 8 divisors (see below), whose sum is σ = 1687019472. Its totient is φ = 562339808.

The previous prime is 1054387151. The next prime is 1054387189. The reversal of 1054387155 is 5517834501.

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 1054387155 - 2² = 1054387151 is a prime.

It is a super-2 number, since 2×1054387155² = 2223464545257988050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054387151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35146224 + ... + 35146253.

It is an arithmetic number, because the mean of its divisors is an integer number (210877434).

Almost surely, 2^1054387155 is an apocalyptic number.

1054387155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1054387155 is a deficient number, since it is larger than the sum of its proper divisors (632632317).

1054387155 is an equidigital number, since it uses as much as digits as its factorization.

1054387155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70292485.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 1054387155 is about 32471.3281988896. The cubic root of 1054387155 is about 1017.8099734339.

The spelling of 1054387155 in words is "one billion, fifty-four million, three hundred eighty-seven thousand, one hundred fifty-five".