1011125747 has 16 divisors (see below), whose sum is σ = 1072220160. Its totient is φ = 951588000.

The previous prime is 1011125719. The next prime is 1011125783. The reversal of 1011125747 is 7475211101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011125747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011121747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377222 + ... + 379892.

It is an arithmetic number, because the mean of its divisors is an integer number (67013760).

Almost surely, 2^1011125747 is an apocalyptic number.

1011125747 is a deficient number, since it is larger than the sum of its proper divisors (61094413).

1011125747 is a wasteful number, since it uses less digits than its factorization.

1011125747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 1011125747 is about 31798.2035184380. The cubic root of 1011125747 is about 1003.6949131355.

Adding to 1011125747 its reverse (7475211101), we get a palindrome (8486336848).

The spelling of 1011125747 in words is "one billion, eleven million, one hundred twenty-five thousand, seven hundred forty-seven".