1201505516 has 6 divisors (see below), whose sum is σ = 2102634660. Its totient is φ = 600752756.

The previous prime is 1201505497. The next prime is 1201505531. The reversal of 1201505516 is 6155051021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150188186 + ... + 150188193.

It is an arithmetic number, because the mean of its divisors is an integer number (350439110).

Almost surely, 2^1201505516 is an apocalyptic number.

It is an amenable number.

1201505516 is a deficient number, since it is larger than the sum of its proper divisors (901129144).

1201505516 is a wasteful number, since it uses less digits than its factorization.

1201505516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300376383 (or 300376381 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1201505516 is about 34662.7395916711. The cubic root of 1201505516 is about 1063.1027860963.

Adding to 1201505516 its reverse (6155051021), we get a palindrome (7356556537).

It can be divided in two parts, 1201505 and 516, that added together give a palindrome (1202021).

The spelling of 1201505516 in words is "one billion, two hundred one million, five hundred five thousand, five hundred sixteen".