1201151560 has 32 divisors (see below), whose sum is σ = 3088676160. Its totient is φ = 411823296.

The previous prime is 1201151531. The next prime is 1201151569. The reversal of 1201151560 is 651511021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1201151569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144634 + ... + 2145193.

It is an arithmetic number, because the mean of its divisors is an integer number (96521130).

Almost surely, 2^1201151560 is an apocalyptic number.

1201151560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201151560 is an abundant number, since it is smaller than the sum of its proper divisors (1887524600).

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

1201151560 is a wasteful number, since it uses less digits than its factorization.

1201151560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289845 (or 4289841 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1201151560 is about 34657.6335025922. The cubic root of 1201151560 is about 1062.9983813691.

Adding to 1201151560 its reverse (651511021), we get a palindrome (1852662581).

The spelling of 1201151560 in words is "one billion, two hundred one million, one hundred fifty-one thousand, five hundred sixty".