1201162516 has 24 divisors (see below), whose sum is σ = 2171833664. Its totient is φ = 580910400.

The previous prime is 1201162499. The next prime is 1201162553. The reversal of 1201162516 is 6152611021.

It is a happy number.

It is a congruent number.

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, 16185 + ... + 51616.

Almost surely, 2^1201162516 is an apocalyptic number.

It is an amenable number.

1201162516 is a deficient number, since it is larger than the sum of its proper divisors (970671148).

1201162516 is a wasteful number, since it uses less digits than its factorization.

1201162516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67951 (or 67949 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1201162516 is about 34657.7915626487. The cubic root of 1201162516 is about 1063.0016133161.

Adding to 1201162516 its reverse (6152611021), we get a palindrome (7353773537).

The spelling of 1201162516 in words is "one billion, two hundred one million, one hundred sixty-two thousand, five hundred sixteen".