1011132747 has 32 divisors (see below), whose sum is σ = 1588435200. Its totient is φ = 633904704.

The previous prime is 1011132743. The next prime is 1011132751. The reversal of 1011132747 is 7472311101.

It is an interprime number because it is at equal distance from previous prime (1011132743) and next prime (1011132751).

It is not a de Polignac number, because 1011132747 - 2² = 1011132743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1011132747.

It is not an unprimeable number, because it can be changed into a prime (1011132743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63088 + ... + 77474.

It is an arithmetic number, because the mean of its divisors is an integer number (49638600).

Almost surely, 2^1011132747 is an apocalyptic number.

1011132747 is a deficient number, since it is larger than the sum of its proper divisors (577302453).

1011132747 is a wasteful number, since it uses less digits than its factorization.

1011132747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552 (or 14546 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1011132747 is about 31798.3135873587. The cubic root of 1011132747 is about 1003.6972293156.

Adding to 1011132747 its reverse (7472311101), we get a palindrome (8483443848).

The spelling of 1011132747 in words is "one billion, eleven million, one hundred thirty-two thousand, seven hundred forty-seven".