1272703068 has 432 divisors, whose sum is σ = 4461649920. Its totient is φ = 301771008.

The previous prime is 1272703057. The next prime is 1272703169. The reversal of 1272703068 is 8603072721.

It is a super-2 number, since 2×1272703068² = 3239546198593225248, 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 an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10021221 + ... + 10021347.

Almost surely, 2^1272703068 is an apocalyptic number.

1272703068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1272703068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230824960).

1272703068 is an abundant number, since it is smaller than the sum of its proper divisors (3188946852).

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

1272703068 is a wasteful number, since it uses less digits than its factorization.

1272703068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1272703068 is about 35674.9641625608. The cubic root of 1272703068 is about 1083.6998926399.

Adding to 1272703068 its reverse (8603072721), we get a palindrome (9875775789).

The spelling of 1272703068 in words is "one billion, two hundred seventy-two million, seven hundred three thousand, sixty-eight".