1121671630 has 16 divisors (see below), whose sum is σ = 2019957984. Its totient is φ = 448457760.

The previous prime is 1121671619. The next prime is 1121671633. The reversal of 1121671630 is 361761211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121671633) 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, 3042 + ... + 47461.

It is an arithmetic number, because the mean of its divisors is an integer number (126247374).

Almost surely, 2^1121671630 is an apocalyptic number.

1121671630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121671630 is a deficient number, since it is larger than the sum of its proper divisors (898286354).

1121671630 is a wasteful number, since it uses less digits than its factorization.

1121671630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52731.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1121671630 is about 33491.3664994428. The cubic root of 1121671630 is about 1039.0152259744.

The spelling of 1121671630 in words is "one billion, one hundred twenty-one million, six hundred seventy-one thousand, six hundred thirty".