1272930 has 32 divisors (see below), whose sum is σ = 3086208. Its totient is φ = 336000.

The previous prime is 1272919. The next prime is 1272937. The reversal of 1272930 is 392721.

1272930 = T₂₁₅ + T₂₁₆ + ... + T₂₅₉.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272930.

It is not an unprimeable number, because it can be changed into a prime (1272937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390 + ... + 4670.

It is an arithmetic number, because the mean of its divisors is an integer number (96444).

2^1272930 is an apocalyptic number.

1272930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272930 is an abundant number, since it is smaller than the sum of its proper divisors (1813278).

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

1272930 is a wasteful number, since it uses less digits than its factorization.

1272930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1272930 is about 1128.2419953184. The cubic root of 1272930 is about 108.3764299276.

The spelling of 1272930 in words is "one million, two hundred seventy-two thousand, nine hundred thirty".