1201505064 has 32 divisors (see below), whose sum is σ = 3005056320. Its totient is φ = 400329216.

The previous prime is 1201505057. The next prime is 1201505093. The reversal of 1201505064 is 4605051021.

It is a super-2 number, since 2×1201505064² = 2887228837635288192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 54072 + ... + 72984.

It is an arithmetic number, because the mean of its divisors is an integer number (93908010).

Almost surely, 2^1201505064 is an apocalyptic number.

It is an amenable number.

1201505064 is an abundant number, since it is smaller than the sum of its proper divisors (1803551256).

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

1201505064 is a wasteful number, since it uses less digits than its factorization.

1201505064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21569 (or 21565 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1201505064 is about 34662.7330717011. The cubic root of 1201505064 is about 1063.1026527850.

Adding to 1201505064 its reverse (4605051021), we get a palindrome (5806556085).

The spelling of 1201505064 in words is "one billion, two hundred one million, five hundred five thousand, sixty-four".