1272760 has 32 divisors (see below), whose sum is σ = 2928960. Its totient is φ = 497536.

The previous prime is 1272749. The next prime is 1272811. The reversal of 1272760 is 672721.

1272760 = 141² + 142² + ... + 187².

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, 1542 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (91530).

2^1272760 is an apocalyptic number.

1272760 is a gapful number since it is divisible by the number (10) 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 1272760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464480).

1272760 is an abundant number, since it is smaller than the sum of its proper divisors (1656200).

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

1272760 is a wasteful number, since it uses less digits than its factorization.

1272760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 1272760 is about 1128.1666543556. The cubic root of 1272760 is about 108.3716051497.

The spelling of 1272760 in words is "one million, two hundred seventy-two thousand, seven hundred sixty".