1121137630 has 16 divisors (see below), whose sum is σ = 2083146624. Its totient is φ = 433988640.

The previous prime is 1121137627. The next prime is 1121137631. The reversal of 1121137630 is 367311211.

It is a junction number, because it is equal to n+sod(n) for n = 1121137595 and 1121137604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121137631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807977 + ... + 1808596.

It is an arithmetic number, because the mean of its divisors is an integer number (130196664).

Almost surely, 2^1121137630 is an apocalyptic number.

1121137630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121137630 is a deficient number, since it is larger than the sum of its proper divisors (962008994).

1121137630 is a wasteful number, since it uses less digits than its factorization.

1121137630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616611.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1121137630 is about 33483.3933465532. The cubic root of 1121137630 is about 1038.8503166888.

Adding to 1121137630 its reverse (367311211), we get a palindrome (1488448841).

It can be divided in two parts, 11211 and 37630, that added together give a square (48841 = 221²).

The spelling of 1121137630 in words is "one billion, one hundred twenty-one million, one hundred thirty-seven thousand, six hundred thirty".