1120621886 has 16 divisors (see below), whose sum is σ = 1785896640. Its totient is φ = 526367520.

The previous prime is 1120621871. The next prime is 1120621889. The reversal of 1120621886 is 6881260211.

It is a super-2 number, since 2×1120621886² = 2511586822764393992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120621889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258950 + ... + 263241.

It is an arithmetic number, because the mean of its divisors is an integer number (111618540).

Almost surely, 2^1120621886 is an apocalyptic number.

1120621886 is a deficient number, since it is larger than the sum of its proper divisors (665274754).

1120621886 is a wasteful number, since it uses less digits than its factorization.

1120621886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522259.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 1120621886 is about 33475.6909712107. The cubic root of 1120621886 is about 1038.6909954837.

The spelling of 1120621886 in words is "one billion, one hundred twenty million, six hundred twenty-one thousand, eight hundred eighty-six".