1121030757 has 96 divisors (see below), whose sum is σ = 2110268160. Its totient is φ = 561052800.

The previous prime is 1121030747. The next prime is 1121030767. The reversal of 1121030757 is 7570301211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121030747) and next prime (1121030767).

It is not a de Polignac number, because 1121030757 - 2⁷ = 1121030629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121030757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121030737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2431507 + ... + 2431967.

It is an arithmetic number, because the mean of its divisors is an integer number (21981960).

Almost surely, 2^1121030757 is an apocalyptic number.

It is an amenable number.

1121030757 is a deficient number, since it is larger than the sum of its proper divisors (989237403).

1121030757 is a wasteful number, since it uses less digits than its factorization.

1121030757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 1121030757 is about 33481.7973979893. The cubic root of 1121030757 is about 1038.8173059995.

Adding to 1121030757 its reverse (7570301211), we get a palindrome (8691331968).

The spelling of 1121030757 in words is "one billion, one hundred twenty-one million, thirty thousand, seven hundred fifty-seven".