1027011540 has 24 divisors (see below), whose sum is σ = 2875632480. Its totient is φ = 273869728.

The previous prime is 1027011533. The next prime is 1027011589. The reversal of 1027011540 is 451107201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 8558370 + ... + 8558489.

It is an arithmetic number, because the mean of its divisors is an integer number (119818020).

Almost surely, 2^1027011540 is an apocalyptic number.

1027011540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1027011540 is an abundant number, since it is smaller than the sum of its proper divisors (1848620940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1027011540 is a wasteful number, since it uses less digits than its factorization.

1027011540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17116871 (or 17116869 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 1027011540 is about 32047.0207663677. The cubic root of 1027011540 is about 1008.9239724881.

Adding to 1027011540 its reverse (451107201), we get a palindrome (1478118741).

The spelling of 1027011540 in words is "one billion, twenty-seven million, eleven thousand, five hundred forty".