1273069116 has 96 divisors (see below), whose sum is σ = 3668716800. Its totient is φ = 378480960.

The previous prime is 1273069079. The next prime is 1273069117. The reversal of 1273069116 is 6119603721.

It is a super-2 number, since 2×1273069116² = 3241409948226042912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273069117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52855 + ... + 73073.

It is an arithmetic number, because the mean of its divisors is an integer number (38215800).

Almost surely, 2^1273069116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273069116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834358400).

1273069116 is an abundant number, since it is smaller than the sum of its proper divisors (2395647684).

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

1273069116 is a wasteful number, since it uses less digits than its factorization.

1273069116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20296 (or 20288 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1273069116 is about 35680.0941142257. The cubic root of 1273069116 is about 1083.8037786558.

The spelling of 1273069116 in words is "one billion, two hundred seventy-three million, sixty-nine thousand, one hundred sixteen".