1054120155 has 16 divisors (see below), whose sum is σ = 1839919104. Its totient is φ = 511088480.

The previous prime is 1054120141. The next prime is 1054120163. The reversal of 1054120155 is 5510214501.

It is not a de Polignac number, because 1054120155 - 2⁶ = 1054120091 is a prime.

It is a super-2 number, since 2×1054120155² = 2222338602354448050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194139 + ... + 3194468.

It is an arithmetic number, because the mean of its divisors is an integer number (114994944).

Almost surely, 2^1054120155 is an apocalyptic number.

1054120155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1054120155 is a deficient number, since it is larger than the sum of its proper divisors (785798949).

1054120155 is a wasteful number, since it uses less digits than its factorization.

1054120155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388626.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1054120155 is about 32467.2166192299. The cubic root of 1054120155 is about 1017.7240536325.

Adding to 1054120155 its reverse (5510214501), we get a palindrome (6564334656).

The spelling of 1054120155 in words is "one billion, fifty-four million, one hundred twenty thousand, one hundred fifty-five".