1201885912 has 8 divisors (see below), whose sum is σ = 2253536100. Its totient is φ = 600942952.

The previous prime is 1201885891. The next prime is 1201885913. The reversal of 1201885912 is 2195881021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201885913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75117862 + ... + 75117877.

Almost surely, 2^1201885912 is an apocalyptic number.

It is an amenable number.

1201885912 is a deficient number, since it is larger than the sum of its proper divisors (1051650188).

1201885912 is a wasteful number, since it uses less digits than its factorization.

1201885912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150235745 (or 150235741 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1201885912 is about 34668.2262597901. The cubic root of 1201885912 is about 1063.2149668484.

The spelling of 1201885912 in words is "one billion, two hundred one million, eight hundred eighty-five thousand, nine hundred twelve".