1270380 has 48 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 327360.

The previous prime is 1270361. The next prime is 1270391. The reversal of 1270380 is 830721.

1270380 = T₁₂₁ + T₁₂₂ + ... + T₂₁₀.

It is a super-2 number, since 2×1270380² = 3227730688800, which contains 22 as substring.

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, 1519 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2^1270380 is an apocalyptic number.

1270380 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 1270380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1838592).

1270380 is an abundant number, since it is smaller than the sum of its proper divisors (2406804).

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

1270380 is a wasteful number, since it uses less digits than its factorization.

1270380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1270380 is about 1127.1113520855. Note that the first 3 decimals coincide. The cubic root of 1270380 is about 108.3040131040.

The spelling of 1270380 in words is "one million, two hundred seventy thousand, three hundred eighty".