1027054381 has 4 divisors (see below), whose sum is σ = 1029808252. Its totient is φ = 1024300512.

The previous prime is 1027054331. The next prime is 1027054409. The reversal of 1027054381 is 1834507201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 734952100 + 292102281 = 27110^2 + 17091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027054381 - 2²¹ = 1024957229 is a prime.

It is a super-2 number, since 2×1027054381² = 2109681403062586322, 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 (1027054321) 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 3 ways as a sum of consecutive naturals, for example, 1376376 + ... + 1377121.

It is an arithmetic number, because the mean of its divisors is an integer number (257452063).

Almost surely, 2^1027054381 is an apocalyptic number.

It is an amenable number.

1027054381 is a deficient number, since it is larger than the sum of its proper divisors (2753871).

1027054381 is an equidigital number, since it uses as much as digits as its factorization.

1027054381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753870.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1027054381 is about 32047.6891678636. The cubic root of 1027054381 is about 1008.9380011233.

The spelling of 1027054381 in words is "one billion, twenty-seven million, fifty-four thousand, three hundred eighty-one".