1262120116 has 24 divisors (see below), whose sum is σ = 2249694720. Its totient is φ = 619443552.

The previous prime is 1262120099. The next prime is 1262120129. The reversal of 1262120116 is 6110212621.

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, 43125 + ... + 66211.

It is an arithmetic number, because the mean of its divisors is an integer number (93737280).

Almost surely, 2^1262120116 is an apocalyptic number.

It is an amenable number.

1262120116 is a deficient number, since it is larger than the sum of its proper divisors (987574604).

1262120116 is a wasteful number, since it uses less digits than its factorization.

1262120116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343 (or 23341 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1262120116 is about 35526.3298976970. The cubic root of 1262120116 is about 1080.6877523845.

Adding to 1262120116 its reverse (6110212621), we get a palindrome (7372332737).

The spelling of 1262120116 in words is "one billion, two hundred sixty-two million, one hundred twenty thousand, one hundred sixteen".