1202100985 has 8 divisors (see below), whose sum is σ = 1443125376. Its totient is φ = 961278000.

The previous prime is 1202100983. The next prime is 1202100989. The reversal of 1202100985 is 5890012021.

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

It is not a de Polignac number, because 1202100985 - 2¹ = 1202100983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202100983) 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, 36891 + ... + 61360.

It is an arithmetic number, because the mean of its divisors is an integer number (180390672).

Almost surely, 2^1202100985 is an apocalyptic number.

It is an amenable number.

1202100985 is a deficient number, since it is larger than the sum of its proper divisors (241024391).

1202100985 is an equidigital number, since it uses as much as digits as its factorization.

1202100985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100703.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1202100985 is about 34671.3279959104. The cubic root of 1202100985 is about 1063.2783825164.

The spelling of 1202100985 in words is "one billion, two hundred two million, one hundred thousand, nine hundred eighty-five".