1202102089 has 8 divisors (see below), whose sum is σ = 1270080000. Its totient is φ = 1134595152.

The previous prime is 1202102087. The next prime is 1202102119. The reversal of 1202102089 is 9802012021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202102089 - 2¹ = 1202102087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202102081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112489 + ... + 122710.

It is an arithmetic number, because the mean of its divisors is an integer number (158760000).

Almost surely, 2^1202102089 is an apocalyptic number.

1202102089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1202102089 is a deficient number, since it is larger than the sum of its proper divisors (67977911).

1202102089 is a wasteful number, since it uses less digits than its factorization.

1202102089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235487.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1202102089 is about 34671.3439168429. The cubic root of 1202102089 is about 1063.2787080184.

The spelling of 1202102089 in words is "one billion, two hundred two million, one hundred two thousand, eighty-nine".