1121662002 has 16 divisors (see below), whose sum is σ = 2285651520. Its totient is φ = 366832752.

The previous prime is 1121662001. The next prime is 1121662007. The reversal of 1121662002 is 2002661211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121662002.

It is not an unprimeable number, because it can be changed into a prime (1121662001) 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, 1763302 + ... + 1763937.

It is an arithmetic number, because the mean of its divisors is an integer number (142853220).

Almost surely, 2^1121662002 is an apocalyptic number.

1121662002 is an abundant number, since it is smaller than the sum of its proper divisors (1163989518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121662002 is a wasteful number, since it uses less digits than its factorization.

1121662002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527297.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1121662002 is about 33491.2227605980. Note that the first 3 decimals coincide. The cubic root of 1121662002 is about 1039.0122531296.

The spelling of 1121662002 in words is "one billion, one hundred twenty-one million, six hundred sixty-two thousand, two".