1201200170 has 16 divisors (see below), whose sum is σ = 2181296520. Its totient is φ = 476227584.

The previous prime is 1201200167. The next prime is 1201200199. The reversal of 1201200170 is 710021021.

It can be written as a sum of positive squares in 4 ways, for example, as 456292321 + 744907849 = 21361^2 + 27293^2 .

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, 530375 + ... + 532634.

Almost surely, 2^1201200170 is an apocalyptic number.

1201200170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201200170 is a deficient number, since it is larger than the sum of its proper divisors (980096350).

1201200170 is a wasteful number, since it uses less digits than its factorization.

1201200170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063129.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1201200170 is about 34658.3347840025. The cubic root of 1201200170 is about 1063.0127208457.

Adding to 1201200170 its reverse (710021021), we get a palindrome (1911221191).

The spelling of 1201200170 in words is "one billion, two hundred one million, two hundred thousand, one hundred seventy".