1121069210 has 16 divisors (see below), whose sum is σ = 2018457576. Its totient is φ = 448309248.

The previous prime is 1121069203. The next prime is 1121069221. The reversal of 1121069210 is 129601211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1000267129 + 120802081 = 31627^2 + 10991^2 .

It is a super-2 number, since 2×1121069210² = 2513592347220048200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31994 + ... + 57146.

Almost surely, 2^1121069210 is an apocalyptic number.

1121069210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121069210 is a deficient number, since it is larger than the sum of its proper divisors (897388366).

1121069210 is a wasteful number, since it uses less digits than its factorization.

1121069210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29617.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1121069210 is about 33482.3716304565. The cubic root of 1121069210 is about 1038.8291835164.

The spelling of 1121069210 in words is "one billion, one hundred twenty-one million, sixty-nine thousand, two hundred ten".