1055427117 has 8 divisors (see below), whose sum is σ = 1408634880. Its totient is φ = 702918720.

The previous prime is 1055427103. The next prime is 1055427127. The reversal of 1055427117 is 7117245501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055427117 - 2⁷ = 1055426989 is a prime.

It is a super-2 number, since 2×1055427117² = 2227852798597863378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055427127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171309 + ... + 177362.

It is an arithmetic number, because the mean of its divisors is an integer number (176079360).

Almost surely, 2^1055427117 is an apocalyptic number.

It is an amenable number.

1055427117 is a deficient number, since it is larger than the sum of its proper divisors (353207763).

1055427117 is a wasteful number, since it uses less digits than its factorization.

1055427117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349683.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 1055427117 is about 32487.3377949010. The cubic root of 1055427117 is about 1018.1444918886.

The spelling of 1055427117 in words is "one billion, fifty-five million, four hundred twenty-seven thousand, one hundred seventeen".