1121620834 has 8 divisors (see below), whose sum is σ = 1688829120. Its totient is φ = 558677796.

The previous prime is 1121620817. The next prime is 1121620853. The reversal of 1121620834 is 4380261211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065654 + ... + 1066705.

It is an arithmetic number, because the mean of its divisors is an integer number (211103640).

Almost surely, 2^1121620834 is an apocalyptic number.

1121620834 is a deficient number, since it is larger than the sum of its proper divisors (567208286).

1121620834 is a wasteful number, since it uses less digits than its factorization.

1121620834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132624.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1121620834 is about 33490.6081461654. The cubic root of 1121620834 is about 1038.9995414631. Note that the first 3 decimals are identical.

The spelling of 1121620834 in words is "one billion, one hundred twenty-one million, six hundred twenty thousand, eight hundred thirty-four".