1265214516 has 48 divisors (see below), whose sum is σ = 3012811200. Its totient is φ = 413101312.

The previous prime is 1265214493. The next prime is 1265214529. The reversal of 1265214516 is 6154125621.

It is a super-2 number, since 2×1265214516² = 3201535542994228512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513295 + ... + 515753.

It is an arithmetic number, because the mean of its divisors is an integer number (62766900).

Almost surely, 2^1265214516 is an apocalyptic number.

It is an amenable number.

1265214516 is an abundant number, since it is smaller than the sum of its proper divisors (1747596684).

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

1265214516 is a wasteful number, since it uses less digits than its factorization.

1265214516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3326 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 1265214516 is about 35569.8540339991. The cubic root of 1265214516 is about 1081.5702227897.

The spelling of 1265214516 in words is "one billion, two hundred sixty-five million, two hundred fourteen thousand, five hundred sixteen".