1202118881 has 4 divisors (see below), whose sum is σ = 1211584512. Its totient is φ = 1192653252.

The previous prime is 1202118857. The next prime is 1202118913. The reversal of 1202118881 is 1888112021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202118881 - 2²² = 1197924577 is a prime.

It is a super-2 number, since 2×1202118881² = 2890179608113384322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202148881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4732625 + ... + 4732878.

It is an arithmetic number, because the mean of its divisors is an integer number (302896128).

Almost surely, 2^1202118881 is an apocalyptic number.

It is an amenable number.

1202118881 is a deficient number, since it is larger than the sum of its proper divisors (9465631).

1202118881 is an equidigital number, since it uses as much as digits as its factorization.

1202118881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9465630.

The product of its (nonzero) digits is 2048, while the sum is 32.

The square root of 1202118881 is about 34671.5860756326. The cubic root of 1202118881 is about 1063.2836589271.

The spelling of 1202118881 in words is "one billion, two hundred two million, one hundred eighteen thousand, eight hundred eighty-one".